File:IBM SMS Card (8372882397).jpg

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Original file(4,036 × 2,218 pixels, file size: 1.72 MB, MIME type: image/jpeg)

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This is an IBM SMS card post 1969 even though the card format had changed with the System/360. The NPN transistors are date code 1970 but are IBM 030 and 044 transistor models defined in the late 1950s. The IBM module (on the right) is early SLT (Solid Logic Technology).

The card is from a 2420 tape reader. Tape machines and other peripherals kept the SMS format and the component technology longer.
Date
Source IBM SMS Card
Author Jamo Spingal : Thanks for 2M Views

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This file is licensed under the Creative Commons Attribution 2.0 Generic license.
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This image was originally posted to Flickr by Jamo Spingal : Thanks for 2M Views at https://flickr.com/photos/43162150@N07/8372882397. It was reviewed on 15 May 2021 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0.

15 May 2021

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Date/TimeThumbnailDimensionsUserComment
current08:56, 15 May 2021Thumbnail for version as of 08:56, 15 May 20214,036 × 2,218 (1.72 MB)Sentinel user (talk | contribs)Transferred from Flickr via #flickr2commons

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