61866 STC gas tubes from early development of LEO I (early 1950s)
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Description of Photograph Digital copy of a photograph of some of the gas tubes, part of the STC equipment on the early development phase of LEO I which was later removed when the technology proved unreliable. Caption: 'Some of the gas trigger tubes in the STC equipment that gave so much trouble. There are single trigger tubes as well as the larger 10- cathode counting tubes in the photo.'
Research comments: The troublesome STC equipment was eventually removed in 1953. Provenance Date: early 1950s (before Oct 1953) Physical Description: 1 digital image (jpeg); black & white; image includes original typed caption Archives Hub References: CMLEO/LS/PH/1/61866 NAHCB1-46 Other References: DCMLEO20210214037 Comment on This Photograph This exhibit has a reference ID of CH61866. Please quote this reference ID in any communication with the Centre for Computing History. 
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