Details
An oxidised and lacquered-brass sighting instrument,
signed on the telescope F. Robson, Maker, Newcastle On Tyne, with draw-tube focussing, cross-wire adjusters and lens cap, mounted on a vertical and azimuth mounting, with silvered horizontal scale, securing screws, the axis mounted on an oval gimbal-type support with security adjustment, fitted to an iron circle with three brass tripod-mounting supports, overall height -- 7 1/8in. (18.1cm.)
See Illustration
signed on the telescope F. Robson, Maker, Newcastle On Tyne, with draw-tube focussing, cross-wire adjusters and lens cap, mounted on a vertical and azimuth mounting, with silvered horizontal scale, securing screws, the axis mounted on an oval gimbal-type support with security adjustment, fitted to an iron circle with three brass tripod-mounting supports, overall height -- 7 1/8in. (18.1cm.)
See Illustration