[Findlay at NRAO dedication, 1957]
Findlay at NRAO dedication, 1957 (NRAO/AUI/NSF image)


[Calibration horn antenna, 1967]
Calibration horn antenna, 1967. (NRAO/AUI/NSF image)


[140ft groundbreaking, 1958, Findlay on right]
Findlay (right) at 140ft ground-breaking, 1958. (NRAO/AUI/NSF image)


[300ft telescope]
300ft telescope. (NRAO/AUI/NSF image)


[Findlay, Struve, Heeschen, 1960]
John W. Findlay, Otto Struve, David S. Heeschen, 1960. (NRAO/AUI/NSF image)


[65m telescope drawing]
65m telescope drawing. (NRAO/AUI/NSF image)


[Findlay in late 1950s]
Findlay, late 1950s. (NRAO/AUI/NSF image)


[Fabrication of 12m surface]
Fabricating new 12m surface, ca. 1983. (NRAO/AUI/NSF image)


NATIONAL RADIO ASTRONOMY OBSERVATORY ARCHIVES

Papers of John W. Findlay: Folder listing

NRAO Instruments and Projects: 25 Meter Telescope Unit


ItemTypeNotes and papers
AuthorJohn W. Findlay
TitleA 25-meter telescope for [lambda] = 1.2 mm
Start Date3/4/1974
 [Range 6A Box 14 Folder 25m millimeter telescope: 1974-21 May 1975]

ItemTypeReport
AuthorBarry E. Turner
TitleThoughts on the 25-meter telescope for 1 mm
Start Date3/27/1974
NotesWith cover memo calling for meeting of 25-m telescope steering group to be held 4/3/1974
 [Range 6A Box 14 Folder 25m millimeter telescope: 1974-21 May 1975]

ItemTypeCorrespondence
AuthorSebastian von Hoerner
RecipientJohn W. Findlay
Date of corresp4/8/1974
SubjectObservatory in Iraq; 25m telescope
NotesFindlay annotation: "For April 17 meeting"
 [Range 6A Box 14 Folder 25m millimeter telescope: 1974-21 May 1975]

ItemTypeReport
AuthorW.Y. Wong
TitleA review of design - 25m
Start Date4/17/1974
NotesAttached to report: photocopy of undated handwritten flow chart on 25m site selection
 [Range 6A Box 14 Folder 25m millimeter telescope: 1974-21 May 1975]

ItemTypeReport
AuthorBarry E. Turner
TitleThe NRAO 25-meter telescope: 2nd status report
Start Date4/29/1974
 [Range 6A Box 14 Folder 25m millimeter telescope: 1974-21 May 1975]

ItemTypeCorrespondence
AuthorS. Weinreb
RecipientD.S. Heeschen, H. Hvatum, J. Findlay, B. Turner, P. Napier, M. Gordon, J. Payne
Date of corresp5/20/1974
SubjectBrief report on Joint European Millimeter Observatory
NotesAttached to memo: Short description of German proposal from Krupp/MAN for 30m telescope
 [Range 6A Box 14 Folder 25m millimeter telescope: 1974-21 May 1975]

ItemTypeCorrespondence
AuthorBarry E. Turner
RecipientSebastian von Hoerner
Date of corresp7/16/1974
Subjectrms Surface accuracy of a telescope as a function of the number of plates used
 [Range 6A Box 14 Folder 25m millimeter telescope: 1974-21 May 1975]

ItemTypeReport
AuthorSebastian von Hoerner
TitleSurface plates for a wavelength of 1.2 millimeter (NRAO Millimeter Wave Telescope Report no. 6)
Start Date7/22/1974
 [Range 6A Box 14 Folder 25m millimeter telescope: 1974-21 May 1975]

ItemTypeReport
AuthorJohn W. Findlay
TitleA proposal for the 25-meter Millimeter Telescope
Start Date7/27/1974
NotesMarked with minor editorial corrections
 [Range 6A Box 14 Folder 25m millimeter telescope: 1974-21 May 1975]

ItemTypeCorrespondence
AuthorW.-Y. Wong
Recipient25m mm Wavelength Telescope Design Group
Date of corresp8/13/1974
SubjectMeasurements on surface plates #1 and #2 of 65m homology telescope
 [Range 6A Box 14 Folder 25m millimeter telescope: 1974-21 May 1975]

ItemTypeCorrespondence
AuthorW.-Y. Wong
Recipient25m mm Wavelength Telescope Design Group
Date of corresp8/19/1974
SubjectThermal deformation of surface plates
 [Range 6A Box 14 Folder 25m millimeter telescope: 1974-21 May 1975]

ItemTypeReport
AuthorSebastian von Hoerner, Kenneth Kern
TitleDesign and performance of panel B (NRAO Millimeter Wave Telescope Report no. 7)
Start Date10/15/1974
 [Range 6A Box 14 Folder 25m millimeter telescope: 1974-21 May 1975]

ItemTypeReport
AuthorJohn W. Findlay
TitleThe 25-meter telescope - a note by J.W. Findlay
Start Date4/14/1975
 [Range 6A Box 14 Folder 25m millimeter telescope: 1974-21 May 1975]

ItemTypeCorrespondence
AuthorDavid S. Heeschen
RecipientMemorandum to file
Date of corresp5/21/1975
SubjectMeeting with Blum, re joint French-German-NRAO mm-wave project
 [Range 6A Box 14 Folder 25m millimeter telescope: 1974-21 May 1975]

ItemTypeReport
TitleA 25-meter telescope for millimeter wavelengths
Start Date9/1975
NotesNRAO proposal to National Science Foundation
 [Range 6A Box 14 Folder 25m millimeter telescope: Proposal to NSF, September 1975]

ItemTypeCorrespondence
AuthorW.-Y. Wong
RecipientAddressee
Date of corresp10/1/1975
SubjectSurface plates of 25-m telescope
 [Range 6A Box 14 Folder 25m millimeter telescope: 1 October 1975 - 1976]

ItemTypeCorrespondence
AuthorMark A. Gordon
Recipient25-meter committee
Date of corresp1/6/1976
SubjectSite selection
 [Range 6A Box 14 Folder 25m millimeter telescope: 1 October 1975 - 1976]

ItemTypeCorrespondence
AuthorW.-Y. Wong
Recipient25-millimeter telescope design group
Date of corresp1/20/1976
SubjectA proposed design for surface plate measurement
NotesAnnotated as "Memo no. 39"; filed with memo: photocopy of information on Brown & Sharpe Validator-300 Coordinate Measuring Machines
 [Range 6A Box 14 Folder 25m millimeter telescope: 1 October 1975 - 1976]

ItemTypeCorrespondence
AuthorWilliam J. Welch
RecipientDavid E. Hogg
Date of corresp1/23/1976
SubjectFar infrared applications for the 25m telescope
NotesFiled with letter: P.L. Richards: "Far infrared applications of a large millimeter wave telescope", LBL-3983, July 1975
 [Range 6A Box 14 Folder 25m millimeter telescope: 1 October 1975 - 1976]

ItemTypeCorrespondence
AuthorP.L. Richards
RecipientMark A. Gordon, David E. Hogg, Barry E. Turner, John W. Findlay, Sebastian von Hoerner
Date of corresp2/17/1976
SubjectCorrected version of "Far infrared applications of a large millimeter wave telescope"
NotesFIled with letter: corrected version of P.L. Richards: "Far infrared applications of a large millimeter wave telescope", LBL-3983, July 1975
 [Range 6A Box 14 Folder 25m millimeter telescope: 1 October 1975 - 1976]

ItemTypeCorrespondence
AuthorSebastian von Hoerner
RecipientJohn W. Findlay; Mark A. Gordon, David E. Hogg, Hein Hvatum, Peter Napier, G. Peery, P.L. Richards, Barry E. Turner, William J. Welch
Date of corresp3/22/1976
SubjectFar infrared applications for the 25m telescope (Engineering memo 100)
 [Range 6A Box 14 Folder 25m millimeter telescope: 1 October 1975 - 1976]

ItemTypeCorrespondence
AuthorB.L. Ulich
Recipient25-meter telescope design committee
Date of corresp4/1976
SubjectPattern range for the 25-meter telescope
NotesMemo undated; Findlay filed with April 1976 items
 [Range 6A Box 14 Folder 25m millimeter telescope: 1 October 1975 - 1976]

ItemTypeReport
AuthorBob Fromm
TitleSources of climatological and meteorological information for the proposed 25-meter telescope
Start Date4/1976
NotesWith cover transmittal memo from Fromm to Robert Burns; report and memo undated, Findlay filed with April 1976 items
 [Range 6A Box 14 Folder 25m millimeter telescope: 1 October 1975 - 1976]

ItemTypeCorrespondence
AuthorMark A. Gordon
Recipient25-meter committee
Date of corresp4/19/1976
SubjectEvaluation of the IR capability of the 25-meter design
NotesCover memo for T.G. Phillips' evaluation of Paul Richards' 1975 report; filed with memo: Phillips' evaluation letter, April 14, 1976
 [Range 6A Box 14 Folder 25m millimeter telescope: 1 October 1975 - 1976]

ItemTypeCorrespondence
AuthorDale A. Webb
RecipientMark A. Gordon
Date of corresp5/20/1976
SubjectMy opinions on Hilo and Waimea as a possible telescope site
NotesAppendix 1 to Wade's report on site search of 17 January 1977
 [Range 6A Box 14 Folder My opinions on Hilo and Waimea as a possible telescope site]

ItemTypeCorrespondence
AuthorWilliam J. Wilson
RecipientJohn W. Findlay
Date of corresp5/21/1976
SubjectCerro Gordo CA as potential site for 25m
NotesFiled with letter: copy of letter from Eugene E. Epstein to David S. Heeschen on Cerro Gordo as site for 25m, 25 July 1975, with accompanying photo and charts
 [Range 6A Box 14 Folder 25m millimeter telescope: 1 October 1975 - 1976]

ItemTypeCorrespondence
AuthorWilliam B. Burton, Harvey S. Liszt
RecipientDavid S. Heeschen
Date of corresp6/18/1976
SubjectPossible sites for 25-meter telescope
 [Range 6A Box 14 Folder 25m millimeter telescope: 1 October 1975 - 1976]

ItemTypeCorrespondence
AuthorCampbell M. Wade
Recipient25-Meter Project Working Group
Date of corresp1/17/1977
SubjectReport on site the search
NotesAnnotations by Findlay
 [Range 6A Box 14 Folder Report on site the search]

ItemTypeReport
Title25-meter telescope: Estimated costs (thousands of 1976 dollars)
Start Date1/17/1977
NotesCost comparisons for four proposed 25-m sites
 [Range 6A Box 14 Folder 25-meter telescope: Estimated costs (thousands of 1976 dollars)]

ItemTypeCorrespondence
AuthorSebastian von Hoerner
RecipientMark A. Gordon, John W. Findlay, Buck Peery, Woon-Yin Wong
Date of corresp10/17/1977
SubjectMark Gordon's note of October 10 regarding RFQ for surface plates
NotesFiled with memo: Section (b), Deflection and Survival, pages 4-5 of Mark Gordon's note
 [Range 6A Box 14 Folder 25m millimeter telescope: 1977 - 1982]

ItemTypeCorrespondence
AuthorMark A. Gordon
Recipient25-m telescope working group
Date of corresp2/9/1978
SubjectAlternative funding schemes for the 25-m telescope
 [Range 6A Box 14 Folder 25m millimeter telescope: 1977 - 1982]

ItemTypeCorrespondence
AuthorJohn W. Findlay
RecipientMark A. Gordon
Date of corresp2/15/1978
Subject25-meter telescope funding
 [Range 6A Box 14 Folder 25m millimeter telescope: 1977 - 1982]

ItemTypeCorrespondence
AuthorMark A. Gordon
RecipientJohn W. Findlay
Date of corresp3/23/1978
SubjectLiaison with structural group of 25-m telescope
NotesFindlay's handwritten note on memo: "Many thanks - I shall enjoy it & maybe, even, be of some use."
 [Range 6A Box 14 Folder 25m millimeter telescope: 1977 - 1982]

ItemTypeReport
TitleThe 25-m millimeter wavelength telescope
Start Date4/4/1979
Notes"Revised - 4/25/79"
 [Range 6A Box 14 Folder 25m millimeter telescope: 1977 - 1982]

ItemTypeCorrespondence
AuthorMark A. Gordon
RecipientBarrett Committee members
Date of corresp6/29/1979
SubjectCover letter to accompany background material on 25-m proposal to NSF
NotesFiled with letter: list of Barrett Committee members. Annotation on letter: "25 Meter Millimeter Wave Telescope Memo #122"
 [Range 6A Box 14 Folder 25m millimeter telescope: 1977 - 1982]

ItemTypeNotes and papers
TitleAgenda for 2 August 1979 Charlottesville meeting on Millimeter-Wave Antennas
NotesTwo copies, each with different handwritten notes by Findlay
 [Range 6A Box 14 Folder 25m millimeter telescope: 1977 - 1982]

ItemTypeCorrespondence
AuthorMark A. Gordon
RecipientJohn W. Findlay, Lee J. King, Sebastian von Hoerner, Hein Hvatum, John M. Payne, G.R. Peery, Dale A. Webb, Woon-Yin Wong
Date of corresp9/4/1980
SubjectTermination of the Working Group
 [Range 6A Box 14 Folder 25m millimeter telescope: 1977 - 1982]

ItemTypeCorrespondence
AuthorMark A. Gordon
RecipientJohn W. Findlay
Date of corresp9/4/1980
SubjectAsks Findlay to join Scientific Advisory Committee for 25-m telescope
NotesFindlay's handwritten note on letter: "I shall be glad to work on this Committee."
 [Range 6A Box 14 Folder 25m millimeter telescope: 1977 - 1982]

ItemTypeReport
AuthorJ.W.M. Baars
TitleTechnology of large radio telescopes for millimeter and submillimeter wavelengths
Start Date10/1981
NotesMPIR preprint 117; with letter from Mark Gordon to Baars about errors in preprint
 [Range 6A Box 14 Folder Technology of large radio telescopes for millimeter and submillimeter wavelengths]

ItemTypeCorrespondence
AuthorAlan H. Barrett
RecipientColleagues
Date of corresp11/25/1981
SubjectOpen letter to colleagues requesting letters to NSF officials supporting 25-m telescope
NotesCopy of letter sent to Barry Turner
 [Range 6A Box 14 Folder 25m millimeter telescope: 1977 - 1982]

ItemTypeCorrespondence
AuthorJohn W. Findlay
RecipientFrancis S. Johnson
Date of corresp1/8/1982
SubjectLetter supporting construction of 25-m telescope
 [Range 6A Box 14 Folder 25m millimeter telescope: 1977 - 1982]

ItemTypeCorrespondence
AuthorFrancis S. Johnson
RecipientColleagues
Date of corresp1/13/1982
SubjectRequest for permission to send letter supporting 25-m to AUI/NRAO committee being convened by Morton S. Roberts
NotesFiled with letter: list of members of AUI/NRAO ad hoc committee
 [Range 6A Box 14 Folder 25m millimeter telescope: 1977 - 1982]

ItemTypeCorrespondence
AuthorFrancis S. Johnson
RecipientJohn W. Findlay
Date of corresp1/28/1982
SubjectAcknowledgement of Findlay's letter of 8 January 1982
 [Range 6A Box 14 Folder 25m millimeter telescope: 1977 - 1982]

ItemTypeCorrespondence
AuthorAlan H. Barrett
RecipientColleagues
Date of corresp2/22/1982
SubjectThanks for letters to NSF supporting 25-m, request for support letters to National Science Board
NotesFiled with letter: list of National Science Board members
 [Range 6A Box 14 Folder 25m millimeter telescope: 1977 - 1982]

ItemTypeNotes and papers
Title25-meter telescope radome materials
Start Date8/15/1973
End Date6/21/1976
NotesMaterials originally grouped by Findlay in folder labeled "25-meter radome materials"
 [Range 6A Box 14 Folder 25-meter telescope radome materials: 15 August 1973 - 21 June 1976]

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