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File:DEC DF112 modem.jpg

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Original file (4,032 × 3,024 pixels, file size: 4.32 MB, MIME type: image/jpeg)

Summary

Description
English: Digital Equipment Corporation DF112 computer modem. Circa mid-19080s. It uses the Bell 202 data communications protocol.
Date
Source Own work
Author Michael L. Umbricht /
institution QS:P195,Q18857750

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Captions

DEC DF112 data communications modem

0.03333333333333333333 second

6 millimetre

image/jpeg

377d245b0833c4e60716199b4e55ea6e6ca6b5b6

4,529,591 byte

3,024 pixel

4,032 pixel

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Date/TimeThumbnailDimensionsUserComment
current22:47, 20 April 2024Thumbnail for version as of 22:47, 20 April 20244,032 × 3,024 (4.32 MB)Mu301better lighting
22:44, 20 April 2024Thumbnail for version as of 22:44, 20 April 20244,032 × 3,024 (4.19 MB)Mu301Uploaded own work with UploadWizard

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