6 screws and 3 nuts from the English Reifler escapement astronomical clock designed by E. T. Cottingham 1923-1925
Glass fronted display case of G.K.N. screws, bolts, washers etc., c1948-1960. Glass fronted display case of G.K.N. screws c.1948-1960
Two machine screws in film cannister, from casing from Thermal Properties Instrument (THP) as flown on Hüygens Titan lander Two machine screws in film cannister, from casing from Thermal Properties Instrument (THP) as flown on Hüygens Titan lander 1995-1996
Two Wooden Screws from Cranbrook Windmill for jacking-up the windshaft, mid-19th century Two Wooden Screws from Cranbrook Windmill for jacking-up the windshaft 1850-1857
2 single-start screws and a 2-start screw, all probably workpieces; and a short screw and nut, probably a demonstration piece 2 single-start screws and a 2-start screw
Meal distributing screw from water mill at Kingston St. Mary near Taunton, Somerset Meal distributing screw from water mill at Kingston St. Mary near Taunton
Sherardized screws showing even cating on thread. Includes 4 regular screws and three screw eyes. Sherardized screws showing even cating on thread. Includes 4 regular screws and three screw eyes