manuals

• Philips PM3310 (photos of pm3310 block diagram)
• Techtran 8400 / 8410 datacassette (operating information)
• Tektronix 4S1
• Tektronix 1470
• Tektronix 520A
• Tektronix 202-2
• Tektronix 200-2
• Tektronix P6011
• Tektronix P6006
• Tektronix P6008
• Tektronix P6013A
• Tektronix 7912AD
• Heathkit RC-1
• Wavetek 187
• Marconi TF 868B
• Harrison Laboratories 6204A, 6204AM
• HP U-800
• HP 11664A
• HP 1752B
• HP 201B
• HP 201C
• HP 202A
• HP 202B
• HP 211A
• HP 212A
• HP 214A
• HP 299
• HP 300A
• HP 302A
• HP 310A
• HP 312A
• HP 313A
• HP 3311A
• HP 3400A
• HP 3410A
• HP 3430A
• HP 400A
• HP 400B
• HP 400D
• HP 400F, 400FL
• HP 410A
• HP 410B
• HP 411A
• HP 413A
• HP 415A
• HP 415E
• HP 416A, 416AR
• HP 417A
• HP 419A
• HP 424A (operating note)
• HP 427A
• HP 430C
• HP 450A
• HP 456A
• HP 460A
• HP 478A
• HP 521 A/C/D/E/G
• HP 5210A, 5210B
• HP 5221A
• HP 5221A
• HP 5221A and 5321A
• HP 5221B and 5321B
• HP 5243L
• HP 5262A
• HP 5262A
• HP 5381A
• HP 5381A
• HP 5423L
• HP 608A
• HP 620A
• HP 6215A
• HP 6215A
• HP 6215A
• HP 650A
• HP 7100B, 7101B, 7100A, 7101A
• HP 711A
• HP 717A
• HP 721A
• HP 723A
• HP 752 (operating note)
• HP 803A
• HP 810B (operating note)
• HP 8350A Performance Tests and Adjustments
• HP 8472A
• HP 8472B
• HP 8478B (operating note)
• HP 8481A, HP 8482A, HP 8483A
• HP 850
• HP 8620C (operating information)
• HP 86242D, HP 86245A, HP 86250D (operating information)
• HP 86242D, HP 86245A, HP 86250D (service manual)
• HP 865C
• HP 865C
• HP 8691A, HP 8692A, HP 8693A, HP 8694A including H01, H02
• HP 8743A
• HP 8750A
• HP 881A

Here are some documents I have scanned or obtained from others:

• Wavetek 187 manual
• partial Tektronix 4S1 manual (no schematics yet) But look here.
• Tektronix 200-2 cart manual
• Tektronix 202-2 cart manual
• Tektronix P6006 probe manual
• Tektronix P6008 probe manual
• Tektronix P6011 probe manual
• Tektronix P6013A probe manual
• Table of Contents of the Philips PM3310 manual
• HP 608A Signal Generator manual
• power supply section of the Philips PM3310 manual
• section of the Tektronix 555 manual that pertains to the 21A and 22A
• April 1965 article in Tektronix Service Scope discussing spectrum analyzers (thanks to Pete for the scans)
• Tekscope Magazine July 1972
• Tek New Products July 1972
• Tekscope Magazine March/April 1975
• Tek New Products March/April 1975
• Chapter 8 from Tunnel Diodes by Sylvester Gentile (PDF) (DjVu)
• Intro and Theory Chapters from Tunnel Diodes by Sylvester Gentile (PDF) (DjVu)
• Millman and Taub 1st ed. Chapter 12: Negative-Resistance Devices (PDF) (DjVu)
• Millman and Taub 1st ed. Chapter 13: Negative-Resistance Switching Circuits (PDF) (DjVu)
• Tektronix 321 (condensed from Shannon Hill's high-quality version) (DjVu)
• HP411A Schematic (PDF)
• HP313A Operation and Theory Sections(PDF)
• Tektronix 317 Schematics, early version (PDF) (DjVu)
• Radio City Products RCP-805B Tube Tester (DjVu)
• Nelson-Ross Plug-in Spectrum Analyzers PSA 001,002,003,011,012,013 (DjVu) (PDF)
• Tektronix Digital Concepts (DjVu) (PDF)
• Tektronix P6032 Cathode-Follower Probe (DjVu) (PDF)
• HP 411A RF Voltmeter Schematics (PDF)
• Tektronix 1470 Schematic Pages 5 and 7 (PDF)
• Tektronix 133 Schematics (PDF)
• Tektronix 4S2 Schematics (PDF)
• Tektronix Type S Schematics (PDF)
• HP 214A Schematics (PDF)
• HP 5381A Schematics (PDF)
• Tek 1S2 sn 1990 and above (PDF)
• Tek 4S2 (PDF)
• HP 723A Schematic (PDF)
• Tektronix 5T3 (PDF)
• HP 187A Schematic (PDF)
• Fluke 1910A/1911A (PDF)
• Gould 2200 Series Recorders (PDF)
• Gould 13-4615-55 and 13-4615-56 (PDF)
• Gould 2200S Ink Writing Models (PDF)
• Gould 2400 (PDF)
• Gould 13-4615-10 (PDF)
• Transidyne Chemical Microsensor 1201 (PDF)
• Parks Model 270 Plethysmograph (PDF)
• Ohmic BET-300A (PDF)
• Gould 13-4615-30 (PDF)
• Gould 13-4615-55 and 13-4615-56 (PDF)
• Electronic Navigation Industries 300L.pdf (PDF)
• Beckman 300 310 and 330 (PDF)
• Versatone D9 (PDF)
• A E Corp Model 22 Pulse Generator (PDF)
• Kay Attenuators (PDF)
• Data Precision 175 (PDF)
• Tektronix 017-0512-00 5 nsec GR-874 Cable (PDF)
• HP 8691A 8692A 8693A 8694A RF Units (PDF)
• HP 424A Crystal Detector (PDF)
• HP 6215A Power Supply (PDF)
• HP 810B Operating Note (PDF)
• HP 752 Operating Note (PDF)
• HP 723A Operating and Service Manual (PDF)
• Tektronix 153 Service Manual (PDF)
• Tektronix 21 and 31 Calculator Interfacing Manual (PDF)
• HP 6212A Schematic (PDF)
• HP 6214A Schematic (PDF)
• HP 6216A Schematic (PDF)