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IR Scopes - Hi/Low Serial Numbers to Date-May 2022

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sleeplessnashadow View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote sleeplessnashadow Quote  Post ReplyReply Direct Link To This Post Topic: IR Scopes - Hi/Low Serial Numbers to Date-May 2022
    Posted: Nov 02 2017 at 3:51pm
The following is a summary of the serial numbers we have collected to date. These serial numbers have been confirmed thru photographs and/or communication.

We have info on several dozen scopes that have had the name plates removed and several dozen scopes the photos do not show the serial number clearly.

Please help us build on this information as some of the original documents providing exact quantities manufactured have so far been elusive. Instructions on how to help are posted in the Announcement regarding this research project at the top of this thread.

Thanks

Jim

Latest Update: 25 Sep 2022

------------------------------------------------------------
T120/M1 Scopes
Assigned Serial Number Block: 1 & up

Electronic Labs - E.B.P.O. No. W-44-009-ENG-105
      (2,135 with 1,420 as Snooperscopes and 715 as Sniperscopes)
          Lowest s/n observed so far: 485
          Highest s/n observed so far: 2078

T120/M1 Power Supplies

Electronic Labs - E.B.P.O. No. W-44-009-ENG-105
     Snooperscope
          Lowest s/n observed so far: 1434
          Highest s/n observed so far: 3295
     Sniperscope
          Lowest s/n observed so far: 5153
          Highest s/n observed so far: 6193

------------------------------------------------------------
Model M2 Scope (Early)
Assigned Serial Number Block: 5001 & up

1st Contract
Bell & Howell - W-44-009-ENG-230
Electronic Labs - W-44-009-ENG-235
     (846 Sniperscopes)
        Lowest s/n observed so far: 5391
        Highest s/n observed so far: 5797
2nd Contract
Bell & Howell - W-30-082-ENG(MSP)4358
Electronic Labs - W-30-082-ENG(MSP)4326
     (quantity mfg not yet determined)
        Lowest s/n observed so far: 5868
        Highest s/n observed so far: 6731

------------------------------------------------------------
Model M2 Scope (Late)
Assigned Serial Number Block: M2-001-50 - M2-1700-50

Bell & Howell - P.O. 88-B-18900-88
Cornell-Dubilier Electric - P.O. 88-B-18889-91
     (1,700 Sniperscopes)
        Lowest s/n observed so far: M2-301-50
        Highest s/n observed so far: M2-1692-50

------------------------------------------------------------
Model M3 Scope

American Optical
1st Contract - P.O. No. 88-B-18762-94 Date: 8-31-50
     (6,000 Sniperscopes)
        Sniperscope indicated on scope's name plate
            Lowest s/n observed so far: M3.11.50
            Highest s/n observed so far: M3.1612.50
        Telescope indicated on scope's name plate
            Lowest s/n observed so far: M3.1703.50
            Highest s/n observed so far: M3.5914.50
2nd Contract - P.O. No. 27-43200-03 Date: 6-23-51
     Lowest s/n observed so far: M3.6074.51
     Highest s/n observed so far: M3.10458.51
3rd Contract - P.O. No. 27-55902-03 Date: 6-30-53
     no serial numbers (4 examples so far)

Capehart-Farnsworth - P.O. No. 27-43201-11 Date: 6-22-51
     Lowest s/n observed so far: 22
     Highest s/n observed so far: 4100

Oak Mfg Power Packs
1st Contract - P.O. No. DA-11-184-ENG-6148 Date: April 1951
     Lowest s/n observed so far: 11
     Highest s/n observed so far: 5396
2nd Contract - P.O. No. DA-11-184-ENG-6529 Date: July 1951
     Lowest s/n observed so far: 6183
     Highest s/n observed so far: 15591
3rd Contract - P.O. No. 27-654-MAP-07 Date: February 1952
     Lowest s/n observed so far: 16114
     Highest s/n observed so far: 16296

------------------------------------------------------------
FYI...

Yes, we're still researching these and will be for a number of years. Web pages are under construction.





Edited by sleeplessnashadow - Sep 25 2022 at 5:27pm
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Beltfedbob View Drop Down
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Post Options Post Options   Thanks (1) Thanks(1)   Quote Beltfedbob Quote  Post ReplyReply Direct Link To This Post Posted: May 21 2021 at 3:58pm
I have American Optical Telescopes
M3.4185.50 
M3.8278.51
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