Browse Items (3473 total)

Fabric measuring tape in feet and inches; measures up to 66 feet

Brass pole with screw thread end and central bit on a spring which moves in when pressed.

Brass pendulum for use with ABDNP201515a

Teaching aid for learning how to read a barometer with Vernier scales.

Hand held brass spectroscope with variable aperture and variable focus. Can see the prism inside it. Engraving on barrel.

EK 160-EF Instant camera manual, dated 1979, with warrantee cared inside, for item ABDNP200627a. Includes leaflet about film needed. Stored in plastic wallet.

Brass direct vision spectroscope with clamp for a stand and variable focus. Part of set of miniature optical instruments.

a cone of tin painted black and decorated with gold motif, suspended by two pins let into two brass rods which are fixed to a circular brass base. The cone is free to swing and hangs naturally point downwards. Demonstration of points of gravity.

Metal cylindrical holder on wooden base with metal pointer and ball bearing to ease movement along optical bench

Seven rolls of paper tape with punched patterns throughout. All seven are different lengths and are pink, blue, yellow or white.