1970 Vintage Electronics- The CATHODE RAY OSCILLOSCOPE - CRT Tektronix 561A HP 180A @ComputerHistoryArchivesProject

Computer History Archives Project (CHAP) | 1970 Vintage Electronics- The CATHODE RAY OSCILLOSCOPE - CRT Tektronix 561A HP 180A @ComputerHistoryArchivesProject | Uploaded September 2022 | Updated October 2024, 1 week ago.
Vintage Electronics Technology 1970: The CATHODE RAY OSCILLOSCOPE (CRT) -- principles and applications are discussed in this excerpt from a partially restored Britannica film. It explains vacuum tube CRT basics and how they are used in multiple applications. Known as "CRT" or "CSO". Oscilloscopes were also used in conjunction with television & radio troubleshooting and in many early computers (including UNIVAC I and II) to monitor portions of the electronic circuitry.

One of the oscilloscopes you will see in this film is the Tektronix Type 561A, made in the US by Tektronix Inc. around 1969. Tektronix Inc., an American company founded in 1946 by C. Howard Vollum and Melvin J. Murdock, produced a variety of test equipment and for many years Tektronix oscilloscopes were considered the best available being famous for their accuracy and reliability. Also shown is an HP 180A oscilloscope, which first appeared around 1966. Uploaded for historical review and comment regarding 1970's technical educational environments.

Tektronix Web Site
tek.com

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$Computer History: Exploring UNIVAC 1 Components (with UNIVAC II vacuum tube module compared) 1951-58 UNIVAC 1 Computer: Today we take a look at some of the UNIVAC 1 components, and compare some of the UNIVAC II boards with UNIVAC I boards. High Resolution images highlight this informal compilation of UNIVAC 1 modules and components. Shown are various modules, board components, mercury memory tanks and other aspects of the machine, and a comparison of 1951 UNIVAC 1 circuit boards with those of the 1958 UNIVAC II (as seen in Jerry Seinfelds movie Unfrosted 2024) and later models. A unique, close up look of some of the early UNIVAC components. If you like board-level components and early tech, you may find these images interesting. UNIVAC II (aka UNIVAC 2) was outdated by the early 1960s. The UNIVAC III of 1960 was short lived, and IBM gained control of the large computer market by the time it was introduced. Uploaded for educational and historical purposes only. UNIVAC is a trade name of UNISYS Inc. today. - UNIVAC was designed by J. Presper Eckert and Dr. John Mauchly, creators of the ENIAC (1946) and the BINAC (1949) . Run time: 9 minutes. Enjoy, and stay well! {Spoiler alert: Several 1952 video clips included for historical reference are Not in “HD.”} Acknowledgements and Sources: With sincere thanks to UNISYS Corporation, owner of the UNIVAC trademark and trade name. http://www.unisys.com For further information, these excellent sources are recommended: Computer History Museum http://www.computerhistory.org VIPClubMN: Information Technology Pioneers Retirees and former employees of Unisys, Lockheed Martin, and their heritage companies http://www.VIPClubMN.org UNIVAC 1 Computer (George Michael) https://www.computer-history.info/Page4.dir/pages/Univac.dir/ UNISYS: Company History https://www.unisys.com/aboutus/company-history History & Evolution of 1100/2200 series mainframe technology (Unisys) http://vipclubmn.org/Articles/HISTORY1100series.pdf Ed Thelen’s Computer History Site http://ed-thelen.org/comp-hist/ Lawrence Livermore National Laboratory, 60 years of computing https://www.energy.gov/articles/timeline-60-years-computing-lawrence-livermore-national-lab Various semiconductor product names are mentioned in this video, including: Clevite; Transitron; Dumont; Dubilier; Radell; Electra; The following sites have great historical background on many early electronic components. Antique Tech.Com http://www.antiquetech.com/ Semiconductor Museum http://www.semiconductormuseum.com/Museum_Index.htm Transparent Sound https://www.transparentsound.com/transistors/vintage-transistors/brand-history/brand-history.htm Note: Some of the UNIVAC 1 boards featured in this video were originally from the estate of Ed Lankford, UNIVAC Engineer. Ed Lankford worked in Paul Lawsons group in Nashville. Ed Lankford held the distinction of being the person who maintained the last operational UNIVAC I. Ed along with Paul Lawson also held the record of most years of UNIVAC I experience.$

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