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  • Topic: Navigation Tools
Displaying 16 - 20 of 98
Bygrave Position-Line Slide Rule
Artifact

A shortcut method of speeding up celestial computations.

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Cassette for Fairchild-Maxson Line of Position Computer
Artifact

This mechanical cassette was used with the Fairchild-Maxson Line of Position Computer.

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Chronometer Movement - John Roger Arnold
Artifact

This chronometer movement was made by John Roger Arnold about 1825.

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Chronometer Movement - Thomas Earnshaw
Artifact

This chronometer movement was made by Thomas Earnshaw, about 1798.

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Chronometer, 1802
Artifact

Box chronometer, after Thomas Mudge, No. 14 made by Howells, Barraud, and Jamison, 1802.

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