Librascope

Librascope was a Glendale, California, division of General Precision, Inc. (GPI). It was founded in 1937 by Lewis W. Imm to build and operate theater equipment, and acquired by General Precision in 1941. During World War II it worked on improving aircraft load balancing.

Librascope's former building in Glendale, which is currently home to offices for Disney Television Animation

Later, Librascope became a manufacturer of early digital computers sold in both the business and defense markets. It hired Stan Frankel, a Manhattan Project veteran and early ENIAC programmer, to design the LGP-30 desktop computer in 1956.

In 1964 Librascope's Avionic Equipment Division at San Marcos has been shifted to the Aerospace Group, GPI as the West Coast facility of the Kearfott Division.[1]

Librascope was eventually purchased by Singer Corporation and moved into the manufacture of marine systems and land-based C3 (Command, Control, Communication) systems for the international defense industry. The company specialized in fire control systems for torpedoes, though they continued to work on a variety of other smaller military contracts through the 1970s.

After Singer was taken over by corporate raider Paul Bilzerian, the company was sold to Loral Space & Communications in 1992. The division was eventually sold to Lockheed Martin and was eventually absorbed into the Lockheed Martin Federal Systems, but is now called Lockheed Martin NE&SS—Undersea Systems.

Computers
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References
  1. "1960-1969 Librazettes". www.librascopememories.com. Librazette April, 1964: AED Shifts to Aerospace Group; Now Part of Kearfott Division. pp. 1–2. Retrieved 2018-09-05.CS1 maint: others (link)
  2. "1950-1959 Librazettes". www.librascopememories.com. December, 1958 Librazette: Company Developes Revolutionary Midget Airborne Digital Computer. pp. 1, 4. Retrieved 2018-09-05.CS1 maint: others (link)
  3. "1960-1969 Librazettes". www.librascopememories.com. June, 1962 Librazette: NEW BUSINESS - C-141 Contract; ASN-24: Good Things Come in Small Packages. pp. 1, 4. Retrieved 2018-09-05.CS1 maint: others (link)
  4. "Librascope Product Literature". www.librascopememories.com. ASN-24 LICOS Report - 1963. 20 December 1963. Retrieved 2018-09-05.CS1 maint: others (link)
  5. KEARFOTT AN ASN-24 Computer Sets|Technical Summary. GPK-33: p. 5. Jul 1967.CS1 maint: others (link)
  6. "2. STATE OF THE ART". Spaceborne digital computer systems - Space vehicle design criteria. Mar 1971. pp. 2-6 (2-12).
  7. "1950-1959 Librazettes". www.librascopememories.com. Librazette September, 1959: Librascope Computer Is Centaur "Brain". p. 1. Retrieved 2018-09-05.CS1 maint: others (link)
  8. "AN/ASN - Equipment Listing". www.designation-systems.net. AN/ASN-24. Retrieved 2018-09-05.
  9. "Kearfott Aerospace Digital Computers | 102646245 | Computer History Museum". www.computerhistory.org. May 1967. GPK-33 Atlas-Centaur Navigation Computer: pp. 12-13, AN/ASN-24(V) Airborne/Aerospace Computer Set: pp. 14-17, AN/ASN-24(G) Airborne/Aerospace Computer Set: pp. 18-19, L-90 Series General-Purpose Digital Computers (L90-1, L90-3): pp. 20-21. Retrieved 2018-09-05.
  10. The C-141A StarLifter / Navigation System for the C-141A. The Navigator. XI. Department of the Air Force, Air Training Command. 1959. pp. 2-11 (602-611).
  11. Mark DiVecchio. "Univac Athena Missile Guidance Computer". 2011.
  12. "across the editor's desk: COMPUTING AND DATA PROCESSING NEWSLETTER: NEW PRODUCTS - AERIAL-RECONNAISSANCE CAMERA SYSTEM IS COMPUTER-CONTROLLED" (PDF). Computers and Automation. XII (4): 34–35. Apr 1963.
  13. Datamation. F.D. Thompson Publications. 1962. p. 25.
  14. "1962 PICTORIAL REPORT ON THE COMPUTER FIELD: DIGITAL COMPUTERS - L-2010 GENERAL PURPOSE COMPUTER". Computers and Automation. XI (12): 26. Dec 1962. Archived from the original on Dec 1962.
  15. "ACROSS THE EDITOR'S DESK: New Products - LIBRASCOPE INTRODUCES L-2010 COMPUTER". Computers and Automation. XI (11): 26, 31. Nov 1962. Archived from the original on Nov 1962.
  16. Circuitry with micromodular construction
  17. "1960-1969 Librazettes". www.librascopememories.com. Librazette November, 1962 - ENGINEERING - Compact and Rugged. Retrieved 2018-03-25.CS1 maint: others (link)
  18. "Librascope Product Literature". www.librascopememories.com. L-2010 Portable General Purpose Digital Computer - 1962. pp. 3, 5. Retrieved 2018-03-25.CS1 maint: others (link)
  • Librascope Memories, over 60 years of history, including 293 Librazette newsletters, photos, product literature, and company videos.
  • Air Force 473L global communications system


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