6 screws and 1 nut from the example of the free pendulum clock
1930-1940
Three brass screws from the Gravity pendulum by Bailey
1834
Hunter's screw
1781-1840
Six butterfly headed steel screws and washers
Metal screw
Screw-thread correcting lathe with components
circa 1910
Box of Sample Screw Threads, 1855-1860
1855-1860
Conical steel screw with wooden handle
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
c.1948-1960
Small mirror screw
Showcase fittings
Tool, V shaped block of pine
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
1850-1857