Burt, William Austin A Key to the Solar Compass, and Surveyor's Companion: Comprising All the Rules Necessary for Use in the Field. Also, Description of the Linear ... Barometer, Suggestions for an Outfit for a Su
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A Key to the Solar Compass, and Surveyor's Companion: Comprising All the Rules Necessary for Use in the Field. Also, Description of the Linear ... Barometer, Suggestions for an Outfit for a Su