Category:Heathkit OCW-1401
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For further info on this interesting device, see Heathkit Aircraft Navigation Computer OCW-1401 at the Datamath Calculator Museum.
Media in category "Heathkit OCW-1401"
The following 4 files are in this category, out of 4 total.
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Heathkit OCW-1401 01.jpg 1,232 × 1,840; 415 KB
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Heathkit OCW-1401 01A.jpg 618 × 1,200; 304 KB
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Heathkit OCW-1401 02.jpg 1,840 × 1,232; 468 KB
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Heathkit OCW-1401 02A.jpg 1,126 × 1,068; 507 KB