Details
A transit theodolite
by W. & L.E. Gurley, Troy, New York, in lacquered and oxidised brass with pear-shaped black enamelled trunnions, silvered dial and verniers and four-screw mounting -- 14½in. (37cm.) high, with mahogany carrying case
by W. & L.E. Gurley, Troy, New York, in lacquered and oxidised brass with pear-shaped black enamelled trunnions, silvered dial and verniers and four-screw mounting -- 14½in. (37cm.) high, with mahogany carrying case