Time Period Manufactured Pre-1930
Maker Gurley

Check the listing for details. 1889 Gurley Surveying & Drafting Insts. Catalog/Manual. Listed at 95.00 USD. Burt's solar compass. Gurley's original Solar Compass was similar to Burt's improved solar compass. A second form, in which the tangent screws were moved close to their arcs, was introduced in the 1860s.

$47.50
$95.00