[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: Largest Feasible Steerable Telescope Unit


ItemTypeReport
TitleSpecifications for the U.S. Naval Radio Research Station (NRRS), Sugar Grove, W. Va.
Start Date1959 September
NotesOriginal report 1957 December, revised 1959 September. Document originally classified, officially marked as declassified on 25 Sept 1962.
 [Range 6A Box 7]

ItemTypeReport
TitleTechnical specifications for mechanical drives and drives control systems for radio telescope, U.S. Naval Research Station, contract Nby-17809, Sugar Grove, West Virginia; folder #1
Start Date1962 July 9
Notes2 folders
 [Range 6A Box 7]

ItemTypeReport
TitleTechnical specifications for mechanical drives and drives control systems for radio telescope, U.S. Naval Research Station, contract Nby-17809, Sugar Grove, West Virginia; folder #2
Start Date1962 July 9
Notes2 folders
 [Range 6A Box 7]

ItemTypeReport
AuthorOtto Heine
TitleLargest feasible steerable paraboloid: Complete study "Concrete sphere"
Start Date1965
NotesOriginally in 3-ring binder. Pages have various dates in 1965. Handwritten page numbers in top right corner; pages 16-62 missing. Last numbered section before gap is 1.1.2.6; numbered sectionon p. 63 is 1.5.1
 [Range 6A Box 7]

ItemTypeDrawings
AuthorEdgar R. Faelten
TitleLFSP drawings and reports - weight calculations; blueprints of aspects of the spherical antenna; Preliminary design of intermediate trusses; Preliminary design of main trusses; Preliminary design of rear tower
Start Date1965
NotesOriginally in Accopress binder dated Nov. 6, 1965; material has differing 1965 dates. 11 pages of calculations and notes, 6 blueprints, then a final 15 pages of notes
 [Range 6A Box 7]

ItemTypeDrawings
AuthorBen Westberg
TitleLFST - flat transit telescope; 16 blueprints
Start Date1965 May 5
End Date1966 September 21
NotesBlueprints of various FTT elements; O Heine, supervisor; contract RAP-55
 [Range 6A Box 7]

ItemTypeReport
AuthorOtto Heine
TitleLFST Progress report no. IV: spherical floating telescope, flat transit telescope
Start Date1965 May 10
NotesReport no. 13; Contract no. RAP-55
 [Range 6A Box 7]

ItemTypeNotes and papers
TitleMemos and contracts related to subcontract RAP-53 between AUI and UVA for work done on LFST project by Richard L. Jennings
Start Date1965 June 16
End Date1968 May 31
NotesMemos, contract copies, proposal copies and notes
 [Range 6A Box 7]

ItemTypeReport
AuthorW. Blythe, O. Heine
TitleS.F.T. [spherical floating telescope] case results
Start Date1965 July
NotesContract RAP-51; have only pages 20-41 of document; pages 1-19 torn away, leaving corner stubs under staple
 [Range 6A Box 7]

ItemTypeReport
AuthorOtto Heine
TitleLFSP - stress analysis of a floating sphere antenna using a computer program
Start Date1965 July
NotesPrepared by W. Blythe; in 3-ring binder with annotated photocopies of computer calculations which are presumed to accompany report
 [Range 6A Box 7]

ItemTypeReport
AuthorEdgar R. Faelten
TitleFixed focal point - 660 diameter - Summary of physical properties
Start Date1965 July
Notes2 folders. Folder 1: 100 p. text; 11 accompanyinjg drawings, folded sheets 24"x36" ; most pages undated, a few have July 1965 dates; Folder 2: 8 accompanying drawings dated May 1965, 3 dated July 1965
 [Range 6A Box 7]

ItemTypeReport
AuthorR.L. Jennings
TitleLFSP - stress analysis of floating sphere
Start Date1965 July 9
 [Range 6A Box 7]

ItemTypeReport
AuthorD.B. Alves
TitleSummary of bending moment analysis for a spherical shell
Start Date1965 August 8
NotesInvestigator: R.L. Jennings, prepared by D.B. Alves. Originally in 3-ring binder labeled "Jennings: Shell Anal"; with "Proposal for a homologous structure to support a paraboloid dish" by Jennings & Biswas
 [Range 6A Box 7]

ItemTypeReport
AuthorD.B. Alves; R.L. Jennings
TitleFloating sphere stress analysis - Investigator: Jennings
Start Date1965 August 20
 [Range 6A Box 7]

ItemTypeReport
AuthorLear Siegler Inc
TitleLargest Feasible Steerable Parabolic Telescope: progress report for August 1965 (structural studies)
Start Date1965 September 14
NotesContract no. RAP-56
 [Range 6A Box 7]

ItemTypeReport
AuthorCambridge Radio Observatory Committee
TitleEngineering design objectives for a large radio telescope, vol. I
Start Date1965 October
 [Range 6A Box 8]

ItemTypeReport
AuthorCambridge Radio Observatory Committee
TitleEngineering design objectives for a large radio telescope, vol. II - Appendix - folder #1
Start Date1965 October
NotesIn 2 folders
 [Range 6A Box 8]

ItemTypeReport
AuthorCambridge Radio Observatory Committee
TitleEngineering design objectives for a large radio telescope, vol. II - Appendix - folder #2
Start Date1965 October
NotesIn 2 folders
 [Range 6A Box 8]

ItemTypeReport
AuthorLear Siegler Inc
TitleLargest Feasible Steerable Parabolic Telescope: progress report for September 1965 (structural studies)
Start Date1965 October 8
NotesContract no. RAP-56
 [Range 6A Box 8]

ItemTypeReport
AuthorR.L. Jennings, M. Biswas
TitleProposal for a homologous structure to support a paraboloid dish
Start Date1965 October 11
NotesOriginally in 3-ring binder labeled "Jennings: Shell Anal"; with "Summary of bending moment analysis for a spherical shell"
 [Range 6A Box 8]

ItemTypeReport
AuthorW. Blythe, O. Heine
TitleS.F.T. [spherical floating telescope] Summary of comparisons: cases 10, 11 and 12 (2nd harmonics only)
Start Date1965 November
NotesContract no. RAP-55
 [Range 6A Box 8]

ItemTypeReport
AuthorSystems Development Laboratory
TitleDrive unit - outline, preliminary, second approach
Start Date1965 November 22
Notes2 sheets; Ben Westberg prepared, O. Heine, supervisor; contract RAP-55
 [Range 6A Box 8]

ItemTypeReport
TitleInvestigation of the effects of ring design on the shell (sandwich shell) response when oriented 60 deg off zenith
Start Date1966
NotesNo author or date on report; pencil note says "Jennings, recd 8/17/1966"
 [Range 6A Box 8]

ItemTypeReport
Author[North American Aviation, Inc] (originated by D.N. Ulry)
TitleMonthly status report number 1, 600 foot diameter floating sphere, antenna feasibility study
Start Date1966
NotesContract number RAP-59. Undated; lists target dates for contract, 15 February 1966 through final report on 30 June 1966
 [Range 6A Box 8]

ItemTypeReport
Author[North American Aviation, Inc] (originated by D.N. Ulry)
TitleMonthly status report number 2, 600 foot diameter floating sphere, antenna feasibility study
Start Date1966
NotesContract number RAP-59. Undated; date on one drawing is 4/12/1966
 [Range 6A Box 8]

ItemTypeReport
AuthorEdgar R. Faelten
TitlePreliminary design for 600'x840' spherical, fixed elevation radio telescope
Start Date1966?
NotesUndated; sheets in pt. H dated from 1965 Nov 28 through 1966 Apr 1. In 2 folders
 [Range 6A Box 8]

ItemTypeReport
AuthorEdgar R. Faelten
TitlePreliminary design for 600'x840' spherical, fixed elevation radio telescope
Start Date1966?
NotesUndated; sheets in pt. H dated from 1965 Nov 28 through 1966 Apr 1. In 2 folders
 [Range 6A Box 8]

ItemTypeDrawings
AuthorEdgar R. Faelten
Title600'x840' Fixed Elevation Spherical Antenna [10 numbered drawings]
Notesundated
 [Range 6A Box 8]

ItemTypeCorrespondence
TitleCorrespondence related to CAMROC and EYEBALL antenna concept
Start Date1966 January 31
End Date1966 February 8
 [Range 6A Box 8]

ItemTypeReport
AuthorWilliam Blythe, Otto R. Heine, Bengt Westberg
TitlePreliminary feasibility study of a 200 m. diameter fully steerable radio telescope mounted in a floating spherical shell - folder #1
Start Date1966 February
NotesReport no. 10; contract RAP-55. In 3 folders
 [Range 6A Box 9]

ItemTypeReport
AuthorWilliam Blythe, Otto R. Heine, Bengt Westberg
TitlePreliminary feasibility study of a 200 m. diameter fully steerable radio telescope mounted in a floating spherical shell - folder #2
Start Date1966 February
NotesReport no. 10; contract RAP-55. In 3 folders
 [Range 6A Box 9]

ItemTypeReport
AuthorWilliam Blythe, Otto R. Heine, Bengt Westberg
TitlePreliminary feasibility study of a 200 m. diameter fully steerable radio telescope mounted in a floating spherical shell - folder #3
Start Date1966 February
NotesReport no. 10; contract RAP-55. In 3 folders
 [Range 6A Box 9]

ItemTypeReport
AuthorEdgar R. Faelten
TitleLargest Feasible Steerable Telescope (LFST): Progress to date on work of E. R. Faelten (Cover title); Designs for azimuth elevation instruments with limited elevation movement (Page 1 title)
Start Date1966 February?
Notesundated, but after 6 Feb meeting referenced in report
 [Range 6A Box 9]

ItemTypeReport
AuthorWilliam Blythe, Otto R. Heine, Bengt Westberg
TitleStiffener ring optimization - folder #1
Start Date1966 March 31
NotesReport no. 10A; contract RAP-55. In 2 folders
 [Range 6A Box 9]

ItemTypeReport
AuthorWilliam Blythe, Otto R. Heine, Bengt Westberg
TitleStiffener ring optimization - folder #2
Start Date1966 March 31
NotesReport no. 10A; contract RAP-55. In 2 folders
 [Range 6A Box 9]

ItemTypeReport
AuthorOtto R. Heine
TitleLFST Progress report no. V: spherical floating telescope, flat transit telescope
Start Date1966 April 6
NotesReport no. 12; contract RAP-55
 [Range 6A Box 9]

ItemTypeReport
TitleSpherically mounted floating antenna studies: Largest Feasible Steerable Telescope, Final Report no. ER-109
Start Date1966 May 4
NotesSubcontract RAP-56
 [Range 6A Box 9]

ItemTypeReport
AuthorW. Blythe
TitleLFST - S.F.T. [spherical floating telescope]: Ring analysis, case R4
Start Date1966 May 12
NotesSubmitted by Otto Heine; Report no. 10B; contract RAP-55; 3 of 5 pages badly faded
 [Range 6A Box 9]

ItemTypeReport
AuthorOtto Heine
TitleLFST - Discussion of large diameter azimuth bearing performance
Start Date1966 May 23
NotesReport no. 14; contract RAP-55
 [Range 6A Box 9]

ItemTypeReport
AuthorOtto Heine
TitleLFST - S.F.T. [spherical floating telescope]: Spherical shell aperture stabilization with load controlled guy cables
Start Date1966 June 23
NotesReport no. 15; contract RAP-55
 [Range 6A Box 10]

ItemTypeReport
AuthorNorth American Aviation, Inc, (prepared by D.N. Ulry)
TitleFeasibility study of a 600-foot diameter fully-steerable air-supported spherical shell antenna, volume I - folder #1
Start Date1966 June 28
NotesContract number RAP-59. In 3 folders
 [Range 6A Box 10]

ItemTypeReport
AuthorNorth American Aviation, Inc, (prepared by D.N. Ulry)
TitleFeasibility study of a 600-foot diameter fully-steerable air-supported spherical shell antenna, volume I - folder #2
Start Date1966 June 28
NotesContract number RAP-59. In 3 folders
 [Range 6A Box 10]

ItemTypeReport
AuthorNorth American Aviation, Inc, (prepared by D.N. Ulry)
TitleFeasibility study of a 600-foot diameter fully-steerable air-supported spherical shell antenna, volume I - folder #3
Start Date1966 June 28
NotesContract number RAP-59. In 3 folders
 [Range 6A Box 10]

ItemTypeReport
AuthorNorth American Aviation, Inc, (prepared by D.N. Ulry)
TitleFeasibility study of a 600-foot diameter fully-steerable air-supported spherical shell antenna, volume II - appendix - folder #1
Start Date1966 June 28
NotesContract number RAP-59. "Appendix presents results of computer analysis of structural characteristics..." In 3 folders
 [Range 6A Box 10]

ItemTypeReport
AuthorNorth American Aviation, Inc, (prepared by D.N. Ulry)
TitleFeasibility study of a 600-foot diameter fully-steerable air-supported spherical shell antenna, volume II - appendix - folder #2
Start Date1966 June 28
NotesContract number RAP-59. "Appendix presents results of computer analysis of structural characteristics..." In 3 folders
 [Range 6A Box 10]

ItemTypeReport
AuthorNorth American Aviation, Inc, (prepared by D.N. Ulry)
TitleFeasibility study of a 600-foot diameter fully-steerable air-supported spherical shell antenna, volume II - appendix - folder #3
Start Date1966 June 28
NotesContract number RAP-59. "Appendix presents results of computer analysis of structural characteristics..." In 3 folders
 [Range 6A Box 10]

ItemTypeReport
AuthorOtto Heine
TitleLFST progress report no. VII: flat transit telescope, spherical floating telescope
Start Date1966 July 6
NotesReport no. 16; contract RAP-55
 [Range 6A Box 10]

ItemTypeReport
AuthorR.L. Jennings, M. Biswas
TitleProgress report: Homology Investigation
Start Date1966 July 26
NotesReport accompanied by photocopied printout of computer calculations; some water damage on printout
 [Range 6A Box 10]

ItemTypeReport
AuthorOtto Heine
TitleLFST progress report no. VIII: flat transit telescope, spherical floating telescope. Preliminary feasibility study of a 200 m. dia. flat transit telescope with limited sky coverage. LFST program status report no. II
Start Date1966 September
NotesReport no. 19; contract RAP-55. Three separate related items filed in same folder.
 [Range 6A Box 10]

ItemTypeCorrespondence
TitleCorrespondence between Sebastian von Hoerner and Simpson Gumpertz & Heger, Inc on structural analysis of homologous telescope
Start Date1967
 [Range 6A Box 11]

ItemTypeReport
AuthorOtto Heine
TitleSummary: feasibility investigations on concepts I through IV, Largest Feasible Steerable Telescope
Start Date1967 February 6
NotesReport no. 22; contract RAP-55
 [Range 6A Box 11]

ItemTypeReport
AuthorBen Westberg; Otto Heine
TitleFixed elevation telescope
Start Date1967 March 16
NotesReport no. 23; contract RAP-55
 [Range 6A Box 11]

ItemTypeReport
AuthorBen Westberg; Otto Heine
TitleN.R.L. revised drive system
Start Date1967 May 10
NotesReport no. 24; contract RAP-55
 [Range 6A Box 11]

ItemTypeReport
AuthorOtto Heine
TitleLFST progress report IX: 600ft N.R.L. (Sugar Grove) instrument
Start Date1967 May 15
NotesReport no. 25; contract RAP-55
 [Range 6A Box 11]

ItemTypeReport
AuthorOtto Heine
TitleSummary and conclusion, review of dual wheel type (N.R.L./Sugar Grove) telescope design [LFST 600 ft NRL (Sugar Grove) instrument]
Start Date1967 October 2
NotesReport no. 27; contract RAP-55
 [Range 6A Box 11]

ItemTypeReport
AuthorOtto Heine
TitleDesign methods, foundation - tracks and wheels for azimuth turntable of large radio telescope (preliminary evaluation only) [L.F.S.T.]
Start Date1967 November 22
NotesReport no. 28; contract RAP-55
 [Range 6A Box 11]

ItemTypeCorrespondence
TitleCorrespondence between Sebastian von Hoerner and Simpson Gumpertz & Heger, Inc on structural analysis of homologous telescope
Start Date1968
 [Range 6A Box 11]

ItemTypeReport
AuthorOtto Heine
TitleLFST - S.F.T. [spherical floating telescope]
Start Date1968 February
NotesReport no. 10; contract RAP-55
 [Range 6A Box 11]

ItemTypeReport
AuthorOtto Heine
TitleF.T.T. [flat transit telescope]
Start Date1968 February 1
NotesReport no. 17; contract RAP-55
 [Range 6A Box 11]

ItemTypeReport
AuthorOtto Heine
TitleTower stiffness requirements and focal position control [F.T.T.]
Start Date1968 February 12
NotesReport no. 21; contract RAP-55; report plus addenda
 [Range 6A Box 11]

ItemTypeReport
AuthorEdgar R. Faelten
Title660 ft environmental telescope - folder #1
Start Date1968 June 19
NotesIn 2 folders
 [Range 6A Box 11]

ItemTypeReport
AuthorEdgar R. Faelten
Title660 ft environmental telescope - folder #2
Start Date1968 June 19
NotesIn 2 folders
 [Range 6A Box 11]

ItemTypeReport
AuthorOtto R. Heine
TitleConcept study of position reference platform for 300 ft. diameter homology radio telescope
Start Date1968 November
NotesFolder includes cover letter to Sebastian Von Hoerner, report, and drawings
 [Range 6A Box 11]

ItemTypeCorrespondence
TitleCorrespondence between Sebastian von Hoerner and Simpson Gumpertz & Heger, Inc on structural analysis of homologous telescope
Start Date1969
 [Range 6A Box 12]

ItemTypeReport
AuthorD.M. Stone, D.M. Kelley, L.E. Becker
TitleDesign report: surface panel design study, 65-meter homology antenna, submitted to National Radio Astronomy Observatory, Charlottesville Virginia
Start Date1972 March 30
 [Range 6A Box 12]

ItemTypeBook
AuthorJ.W. Findlay, S. von Hoerner
TitleA 65-meter telescope for millimeter wavelengths
Start Date1972 April
NotesPublished by National Radio Astronomy Observatory, 142 p.
 [Range 6A Box 12]

ItemTypeReport
Title65-m-Radioteleskop fur [lambda sub min] = 3.5 mm; Uberlegungen zum bau kleinerer Radioteleskop fur [lambda sub min] < 3 mm; Projektstudie
Start Date1973 February 15
Notesstudy commissioned by MPIR
 [Range 6A Box 12]

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