A late 19th-Century oxidised brass vernier railroad compass, the silvered dial signed Queen & Co. Makers Phila No. 6643, the edge-bar needle with clamp, one circle divided in 4 quadrants, the full circle with vernier scale and variation adjuster, the limb with twin sights, level and cross-bubble, on 4 screw tripod mounting, with makers trade label, in mahogany case - 16 5/8in. (42.3cm.) wide; and a tripod.