Taylor Haus Galleries
1870's Brass Miners' Ring Dial by W & L.E. Gurley
1870's Brass Miners' Ring Dial by W & L.E. Gurley
Dip (Needle) Compass, also called an Inclination Compass; Invented to measure the vertical force of the Earth's magnetism. Incredibly precise scientific instruments allow for drawing maps of equal inclination (isoclinic).
Antique Brass Miners' Ring Dial by W & L.E. Gurley, circa 1870. Composed of a brass body, ring, and pivot; A steel needle sits atop a brass bar. Marked in 10 degree intervals, 0-90-0. Excellent functionality. Two brass press-on lids protect the original glass face.
Featured in Harvard University's Collection of Historical Scientific Instruments.
Diameter: 3.5 in.
Height: 1.25 in.
Weight: 15.4 oz.
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