Papers of Ronald N. Bracewell

Collection Items

Description: Contact archivist for details.

Description: In late 1962 the National Academy of Sciences, Committee on Science and Public Policy, established the Panel on Astronomical Facilities, chaired by Albert E. Whitford. The Panel was charged with studying the needs for major new ground-based…
Start Date: 1962

Description: This unit includes URSI Commission 5 correspondence, membership applications, and reports from 1962-1976.
Start Date: 1962

Description: This subunit includes reprints from 1948 through 2001, with one reprint from 1927, which were collected by Bracewell. The reprints are filed in alphabetical order by author. Also included are two additional topical solar reprints folders compiled and…
Start Date: 1948

Description: Correspondence, notes, reports, data records, and charts on rainfall experiments and freezing nucleus research from 1953-1976. Principal correspondents are E.K. (Taffy) Bowen and Ronald N. Bracewell.
Start Date: 1953

Description: In 1957 Donald H. Menzel produced a set of radio noise maps under a contract between Harvard University and the Dept. of the Army, Signal Corps Procurement Office. These maps were specially designed charts in the form of a planisphere, with…
Start Date: 1957

Description: Primarily reprints, 1965-1972. One folder of notes and calculations, 1968.
Start Date: 1965

Description: Notes, correspondence, and meeting minutes for the period 1959-1961 leading to the Report of the Advisory Panel on Radio Telescopes. A copy of the final report as published in Astrophysical Journal, vol. 134, November 1961, is included. The Panel,…
Start Date: 1959

Description: Notes, correspondence, and meeting minutes for the period 1961-1964 related to Bracewell's tenure on the Advisory Panel.
Start Date: 1961

Description: Reprints, preprints, photocopied journal articles, notes, and correspondence for the period 1970-1994.
Start Date: 1970

Description: This unit includes correspondence, notes (including some on paper placemats), reports, and collected reprints from 31 August 1976 through 14 February 1996 regarding Bracewell’s study of infrared interferometry. Robert H. McPhie of Waterloo University…
Start Date: 1976

Description: Notes, correspondence, reports, and meeting minutes for the period 1970-1976 related to Bracewell's tenure on the Arecibo Advisory Board. Also included is a set of "Week at Arecibo" dated 11 December 1972 through 23 June 1974.
Start Date: 1970

Description: racewell's article on Computer Image Processing appeared in Annual Reviews of Astronomy and Astrophysics, vol. 17, 1979. This unit includes editorial correspondence, notes, and reprints collected by Bracewell during his research. Material is dated…
Start Date: 1973

Description: This series includes publications received by Bracewell from individuals, institutions, and corporations, as well as items collected by him. Material is dated 1966-1987 and includes primarily reprints, preprints, and reports, but also journal cuts,…
Start Date: 1966

Description: This unit includes dissertations submitted to the Stanford University Department of Electrical Engineering by Bracewell's doctoral students and retained by him in his files. Dissertations are by G. Swarup (1961), R.S. Colvin (1961), Z. Fazarinc…
Start Date: 1961

Description: This subunit includes individual copies retained by Bracewell in his files of Stanford Radio Astronomy Institute Publications nos. 1-19, 1958-1961.
Start Date: 1958

Description: This subunit includes an index listing of the numbered reprint series, R1-R111, 1958-1981, plus a copy of individual reprints from the series retained by Bracewell in his files.

Description: The following is an excerpt from the introduction toGlint748, June 25, 1997, a listing of the entire series (which apparently ended at that time). Glintsare internal reports of the Stanford Radio Astronomy Institute. Any member of the Radio…

Description: Bracewell's English translation of Radioastronomie : les méthodes radioélectriques au service de l'astrophysique by Jean Louis Steinberg and James Lequeux, published in 1960 in France by Dunod, was published in the U.S. by McGraw-Hill in 1963. This…
Start Date: 1960

Description: The Paris Symposium on Radio Astronomy (IAU Symposium no. 9 and URSI Symposium no. 1) met in Paris from 30 July to 6 August, 1958. The proceedings were published by Stanford University Press in 1959, edited by Bracewell. A large fraction of…
Start Date: 1957

Description: Radio Astronomy, by J.L. Pawsey and R.N. Bracewell, was published by Oxford University's Clarendon Press in 1955. Pawsey, who headed the Radiophysics Laboratory at Australia's Commonwealth Scientific and Industrial Research Organization of which…
Start Date: 1951

Description: Bracewell's Bachelor of Science in Mechanical Engineering and Master of Engineering degrees were both received from Sydney University, in 1943 and 1948. The ME degree was awarded for work Bracewell did while working at CSIR between 1942 and 1946. His…

Description: This subunit includes the chronological correspondence file dated 1961-1969, carbon copies of typed correspondence presumably filed by the Institute secretary.
Start Date: 1961

Description: This subunit includes memos and correspondence dated 1963-1975, separated by Bracewell from other Stanford correspondence and labeled by him as "Departmental Memos." Although most items are inter- and intra-departmental correspondence, some items do…
Start Date: 1963

Description: This unit includes correspondence dated 1954-1955 regarding negotiations and arrangements for Bracewell's appointment as a Visiting Assistant Professor at Berkeley for the academic year 1954-1955, and correspondence from September-December 1954…
Start Date: 1954

Description: This unit includes personal correspondence dated 1946-2007, with one letter dated 1944. Bracewell had organized much of the 1946-1949 correspondence into notebooks, including both originals and multiple photocopies. Where there were both originals…
Start Date: 1946

Description: This unit includes correspondence dated October 1949-January 1954, when Bracewell was at the Radiophysics Division of CSIRO. Includes correspondence with W.C. Bain, M.A. Ellison, J. Harwood, L.S. Prior, J.A. Ratcliffe, M. Ryle, and T.W. Straker. The…
Start Date: 1949

Description: This unit includes correspondence, notes, observational notes, reports, and copies of papers submitted for publication dated 1946-1949, from Bracewell's time at Cavendish Laboratories, University of Cambridge. Also included is correspondence directly…
Start Date: 1946

Description: This unit includes correspondence and notices dated 1937-1953 related to Bracewell's military service, to his appointment at CSIR, financial matters, etc. Bracewell's folder title was retained.
Start Date: 1937

Description: Material in this subunit documents the 1985-1989 relationship between Bracewell, both as an individual contractor and as a member of Stanford's Space Telecommunications And Radioscience Laboratory (STARLAB), and Hughes Aircraft Company, which…
Start Date: 1985

Description: This subunit includes proposals, contracts, correspondence, and reports for work funded by the Office of Naval Research from 1972-1991, with the bulk of the material related to Bracewell's work on the Hartley transform over the period 1983-1991. Also…
Start Date: 1972

Description: In the early 1980s Bracewell and Kent M. Price developed a method for forming parabolic reflectors up to a few meters in diameter from flat sheets without use of a mold or template. The process involved clamping two pieces of sheet metal between two…
Start Date: 1979

Description: Bracewell was on sabbatical at CSIRO for the fall 1982 semester. Material in this unit is dated 1982-1983 and includes memos, correspondence, AT Memoranda written by Bracewell, a lab notebook, and a copy of Richard X. McGee's 15-page document, "Some…
Start Date: 1982

Description: Associates for Research in Astronomy included University of California, Berkeley, California Institute of Technology, and Stanford University, and was formed to collaborate on joint construction of a large antenna. The antenna was never built. This…
Start Date: 1965

Description: The Stanford Radio Astronomy Observatory, historically known as "Heliopolis," was located at Stanford Field Site 515, and included the 32-antenna solar cross and the 5-element array. In 2004 Stanford University decided to demolish the antennas, which…
Start Date: 1970

Description: The second major instrument developed at Heliopolis was a five-element array for galactic and extragalactic astronomy. It consisted of five 60 foot diameter antennas made to Bracewell’s design at the Heliopolis site. The antennas were configured as…
Start Date: 1963

Description: The NRAO Archives has kept a representative sample of data formats from the Spectroheliograph, including punched paper tapes, punched cards, chart recordings, a 9-track tape, plots, and several forms of computer-generated maps. Stanford Daily Maps of…
Start Date: 1962

Description: The first instrument developed at Heliopolis was a crossed grating array for solar observations, known also as the solar cross. The solar cross consisted of 32 parabolic antennas 10 feet in diameter arranged in two linear arrays and operated at 9.1…
Start Date: 1969

Barney Rickett and Barry Clark at Bracewell Sundial
Description: Radio astronomers Barney Rickett and Barry Clark stand by the signatures that they had chiseled into the Stanford piers under Bracewell's supervision a half century before.

Bracewell Sundial Dedication
Description: The crowd gathered on 23 September 2013 for the sundial's dedication ceremony, as reflected in the gnomon.
Start Date: 2013-09-23

Drone View of Bracewell Sundial
Description: A drone view of the concrete pad portion of the dial early on the morning of 24 June 2018. White diamonds enclose the 7 commemorative markers, red ovals the 3 observatory markers and 2 black diamonds typical month/hour indicators. The blue circle…
Start Date: 2018-06-24

Angelica Vargas at Bracewell Sundial
Description: Angelica Vargas of the New Mexico Tech Astronomy Club re-paints Bracewell's signature on the sundial's noon pier.

Bracewell Sundial "First Shadow" Day
Description: Key persons for the project on "First Shadow" Day, 23 September 2013: (l. to r.) Woody Sullivan, Guy Stanzione, Miller Goss, Bob Lash and Judy Stanley.
Start Date: 2013-09-23

Bracewell Sundial Sign
Description: A sign on the VLA's self-guided walking tour explains the radio sundial to visitors.

Bracewell Sundial "First Shadow"
Description: An impromptu May pole dance immediately followed the sundial's "first shadow."

Bracewell Sundial Ribbon Cutting
Description: Ribbons are cut by Mark and Wendy Bracewell for the official "first shadow" at precisely solar noon. Note the gnomon's shadow covering the large central disk.

Bracewell Sundial Gnomon Shadow
Description: A long shadow cast by the gnomon on the winter solstice of 2013 almost reaches the base of the 4th pier; the front edge of each hour-pier was placed 20 inches (51 cm) beyond the center of the winter solstice shadow.

Woody Sullivan at the Bracewell Sundial
Description: Sullivan uses a 1940s era surveyor's transit to establish the locations of all markers and piers. The midday sun, used to determine true north, is at an uncomfortably high altitude.

Bracewell Radio Sundial Construction
Description: A pier is gently lowered into place by a crane.

Bracewell Sundial Markers
Description: The 3 antenna-shaped markers indicating related radio astronomy observatories, including Bracewell's Heliopolis. They are positioned at the VLA solar time corresponding to each observatory's local solar noon.

Bracewell Sundial Plaques
Description: The 7 miniature plaques commemorating dates important in the history of radio astronomy. The sun's shadow passes over each marker on the date it commemorates.

Bracewell Sundial Gnomon
Description: The polished stainless steel gnomon (18-inch (46 cm) diameter) reflecting the photographer, the sundial and the near-horizon skies above the Plains of San Agustin.

Bracewell Sundial Central Disk
Description: The large, central disk (20-inch (51 cm) diameter) anchoring the entire pattern at noon on the equinoxes. One of the two dial mottos can be read along the bottom edge.

Bracewell Sundial Solstice and Equinox Markers
Description: Sample solstice and equinox markers with subtle seasonal patterns decorating the outer rims.

Bracewell Sundial Sidereal Time Markers
Description: Sample sidereal time markers for the radio sources Cassiopeia A. Cygnus A and Centaurus A. The sidereal time at which the disk would fall in the gnomon's "radio shadow" is indicated beneath a drawing of the traditional constellation (and its…

Bracewell Sundial
Description: The long, ellipsoidal arc of Cassiopeia A's radio shadow track stretches out into a road, although for practical purposes the plaques do not extend quite so far. A portion of the Cygnus A radio shadow track is also seen.

W.M. Goss at Bracewell Sundial
Description: Goss demonstrates how the sundial can be used as a sighting device for where each of three radio sources lies: place your eye as close as possible to the relevant radio source's disk and look on past the gnomon.

Stanford 10-ft Dish
Description: The lone surviving 10-ft dish of the original 32, after refurbishment and placement near the VLA sundial.

Bracewell Sundial at Heliopolis
Description: One of Bracewell's sundials at the Heliopolis site in 1979, constructed from a radio telescope gear wheel.
Start Date: 1979

Bracewell Radio Sundial's Gnomon
Description: The Bracewell Radio Sundial's gnomon casts a faint shadow on the afternoon of a cloudy day. IN the background, the VLA observes a radio source unaffected by the clouds.

Bracewell Photographs
Description: Ron Bracewell

Bracewell Photographs
Description: Stanford 9.1 Spectroheliogram
Start Date: 1968-06-08

Bracewell Photographs
Description: Stanford 9.1 Solar Contour Map
Start Date: 1968-06-08

Bracewell Photographs
Description: Envelope

Bracewell Photographs
Description: Title page from Radio Astronomy by J.L. Pawsey & R.N. Bracewell (1955)

Bracewell Photographs
Description: Spectroheliograph and 60 foot dishes during 60 foot construction.

Bracewell Photographs
Description: Ron Bracewell jumping on 60 foot backup petal during construction

Bracewell Photographs
Description: Ron Bracewell with rare eucalyptus albida, April 2006
Start Date: 2006-04

Bracewell Photographs
Description: Sundial on Terman Building, Stanford University. Designed by Ron Bracewell

Bracewell Photographs
Description: Robert Lash and Ron Bracewell at 60 foot demolition, 11 Mar. 2006
Start Date: 2006-03-11

Bracewell Photographs
Description: Ron Bracewell writing, 21 Nov. 2004
Start Date: 2004-11-21

Bracewell Photographs
Description: Diagram drawn on placemat by Ron Bracewell, 21 Nov. 2004
Start Date: 2004-11-21

Bracewell Photographs
Description: Ron Bracewell and others

Bracewell Photographs
Description: Ron Bracewell with telescope pier, 21 November 2004.
Start Date: 2004-11-21

Bracewell Photographs
Description: Ron Bracewell with telescope pier, 21 November 2004
Start Date: 2004-11-21

Bracewell Photographs
Description: Ron Bracewell with telescope pier, 21 November 2004
Start Date: 2004-11-21

Bracewell Photographs
Description: Ron Bracewell with telescope pier, 21 November 2004
Start Date: 2004-11-21

Bracewell Photographs
Description: Ron Bracewell at 5-element site, 21 Nov. 2004
Start Date: 2001-11-21

Bracewell Photographs
Description: Ron Bracewell writing, 21 Nov. 2004
Start Date: 2004-11-21

Bracewell Photographs
Description: 60 Foot Dish at Night

Bracewell Photographs
Description: Govind Swarup (seated) and Ron Bracewell, ca. 1960
Start Date: ca. 1960

Bracewell Photographs
Description: Site 515 Array Group 3

Bracewell Photographs
Description: Site 515 Array

Bracewell Photographs
Description: Heliopolis

Bracewell Photographs
Description: Cecilia Payne-Gaposchkin Signing Pier

Bracewell Photographs
Description: 5-element interferometer

Bracewell Photographs
Description: 10 Foot Dishes (Cross)

Bracewell Photographs
Description: Ron Bracewell touching up signature pier on spectroheliograph dish

Bracewell Photographs
Description: Ron Bracewell with 32-dish microwave spectroheliograph

Bracewell Photographs
Description: Ron Bracewell in Control Room

Bracewell Photographs
Description: Ron Bracewell at 10 foot dish base

Bracewell Photographs
Description: 10 Foot Cross, microwave spectroheliograph

Bracewell Photographs
Description: Ron Bracewell examining clamp inflation process, November 1980
Start Date: 1980-11

Bracewell Photographs
Description: Ron Bracewell at blackboard, Cambridge, 1949
Start Date: 1949

Bracewell Photographs
Description: Boxes of Ron Bracewell materials on loading dock at Stanford before shipping to NRAO Archives, 2005. L-r: Mark Bracewell, Tom Wilson.
Start Date: 2005

Bracewell Photographs
Description: Ron Bracewell and Govind Swarup watch Joe Pawsey carve his name on telescope pier, 1958.
Start Date: 1958

Bracewell Photographs
Description: Bracewell Sundial

Bracewell Photographs
Description: Bracewell Sundial

Bracewell Photographs
Description: Bracewell Sundial

Bracewell Photographs
Description: Ron Bracewell at Heliopolis, October 22, 1974
Start Date: 1974-10-22

Bracewell Photographs
Description: Ron Bracewell, February 1961
Start Date: 1961-02

Bracewell Photographs
Description: Ron Bracewell, circa 1955
Start Date: 1955

Bracewell Photographs
Description: Bracewell Solar Cross

Bracewell Photographs
Description: Victor V. Vitkevitch at Bracewell Pier, April 1980
Start Date: 1980-04

Bracewell Photographs
Description: Unknown Person at Bracewell Pier, August 1965
Start Date: 1965

Bracewell Photographs
Description: A. Kimpara at Bracewell Pier, 28 May 1958
Start Date: 1958-05-28

Bracewell Photographs
Description: Ron Bracewell in the 1970s

Bracewell Photographs
Description: Ron Bracewell in the 1960s

Bracewell Photographs
Description: Ron Bracewell with cork oak, September 1977
Start Date: 1977-09

The Destiny of Man
Description: Bunyan Lecture, Stanford University, February 27, 1996.
Start Date: 1996-02-27

What do Saturn's rings mean to you?
Description: Based on remarks made at the EE Department retreat of Monday April 16 in response to a question about the significance of Saturn for Electrical Engineering. April 20, 1990.
Start Date: 1990-04-20

Start Date: 1952

Start Date: 1984-09-23

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Start Date: 1977-08

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Start Date: 1982-05

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Start Date: 1949-04-28

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