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1884 Gurley Instrument Illustrations

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Engineer's Transit with Solar Attachment

Engineer's Transit

Light Mountain Transit with Jones' Patent Lat. Arc

Surveyor's Transit with Solar Attachment

Surveyor's Transit

Vernier Transit Compass

Solar Compass

Railroad Compass

Vernier Compass

Plain Compass

Telescopic Sight

20 inch Wye Level

Pocket Solar Compass

Pocket Railroad Compass

Telescopic Attachment for Pocket Compass

Vernier Pocket Compass

Dial Compass

W. and L.E. Gurley other instrument makers