Ebony frame with brass index arms and fittings, wooden handle. Tangent screw and clamping screw on the back of the index arm. Three shades (one red, two green); three horizon shades (two red, one green). Index glass (glass missing) adjustment by screw; horizon glass by a square-headed screw, lever and worm gear, by detached square-headed key. Threaded telescope bracket. Section of a telescope (56 mm). Sight tube (84 mm); adjusting key and two feet are missing. Fitted mahogany keystone box (cracked) with trade label for Thomas Downie, Hamburg.
Matériel
Signed on the inlaid ivory plate on the crossbar: "HARRISON HULL"
