Vintage Computer Tech: 1943 Navy: The Cathode-Ray Tube (CRT) educational (Du Mont Oscilloscope)

190320 Like and subscribe. This is an archive, check the link in the end if you are owner. Vintage 1943: A restored “old school” educational video by the U.S. Navy on the use of Cathode-Ray Tubes (CRT). This 1943 film covers the basics of the CRT and its uses. CRT technology grew rapidly in the 1940's during RADAR advancements. During the 1950's, early computers started using CRT display technology. A nice bit of history and nostalgia. Run time 14 mins, plus a few photos of the DuMont Type 208 Oscilloscope, which is also seen in the film. Hope you enjoy! (Tech Trivia: Early Oscilloscopes were often referred to as "oscillographs" until very late 1940's.)Show more

A FEW SIGNIFICANT DATES:
1893 – An electromechanical oscillograph was invented by a French physicist André Blondel.
1897- German physicist Karl F. Braun invents a cathode-ray tube (CRT).
1931 - General Radio Company (GenRad) develops one of the first oscilloscopes.
1931 – Du Mont Laboratories founded by inventor Allen B. DuMont. Among the company's developments were durable cathode ray tubes that would be used for TV and help make oscilloscope production viable.
1932 - British company A. C. Cossor presented their first oscilloscope.
1939 - DuMont introduces the DuMont 164 general purpose Oscillograph. DuMont became the leader in the oscilloscope market soon afterwards.
1945-1952 - MIT Whirlwind computer featured outputs displayed on a CRT, and a light pen to write data on the screen.
1946 - Tektronix was founded by Howard Vollum and Jack Murdock.
1955-1956 – MIT TX-0 computer used a CRT display
1960 – Fairchild acquires DuMont Laboratories and continued making oscilloscopes with the DuMont name brand up through the 1980’s.
1985 – (Approx.) Invention of digital oscilloscopes.

Suggested links for more information: - - - - -

The Oscilloscope Museum
https://www.oscilloscopemuseum.com/

The Museum of Tek Scopes
http://www.chiark.greenend.org.uk/scopes/tek.html#Oscilloscopes

Clarke Engram’s “DuMont Television Network History website
http://www.dumontnetwork.com/

Museum of Vintage Tektronix Equipment
https://vintagetek.org/

Tektronix: The Cathode Ray Tube - Window to Electronics
https://www.youtube.com/watch?v=jHGAnJjnNY0

HP Memory Project (section on HP Oscilloscopes)
http://hpmemoryproject.org/wb_pages/wall_b_page_02.htm

Cathode Ray Tube History (Wikipedia entry)
https://en.wikipedia.org/wiki/Cathode-ray_tube#History

Allen B. DuMont (Wikipedia info)
https://en.wikipedia.org/wiki/Allen_B._DuMont

Oscopes History and Background
http://oscopes.info/background/2265-oscilloscope-milestones

History of the Analog Cathode Ray Oscilloscope, O. Dalton and L. Kreps.
https://vintagetek.org/wp-content/uploads/2018/02/A-History-of-the-Analog-Oscilloscope-by-Kreps-and-Dalton.pdf

Oscilloscope Development, 1943-57, Peter D. Hiscocks, 2011,https://www.ee.ryerson.ca/~phiscock/papers/scope-history.pdf

A CRT terminal used by the SAGE computer system (1950’s)
https://www.computerhistory.org/revolution/real-time-computing/6/120

Evolution of Computer Displays
http://www.vintagecomputing.com/index.php/archives/2580/vcg-anthology-the-evolution-of-computer-displays

With special thanks to SPEAKEASY ARCHIVES, for the 16mm to digital transfer that helped make this presentation possible.
http://www.speakeasyarchives.com

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Also, the following Video may be of interest:
- - Early Vacuum Tube Computers
https://www.youtube.com/watch?v=WnNm_uJYWhA&t=404s

How a CRT is Made
https://www.youtube.com/watch?v=MsMsZaSz3Fk
https://rumblevideoarchive.wordpress.com/