Details
A nickel-brass transit theodolite,
by E.R. Watts & Son, the telescope with eye-piece focusing, dust cap, level and micrometer read-out to the vertical circle located on the axis, the horizontal circle with twin vernier-micrometer read-outs, on three-screw tripod attachment, 10in. (25.4cm.) high; and a comptometer (2)
by E.R. Watts & Son, the telescope with eye-piece focusing, dust cap, level and micrometer read-out to the vertical circle located on the axis, the horizontal circle with twin vernier-micrometer read-outs, on three-screw tripod attachment, 10in. (25.4cm.) high; and a comptometer (2)