Screw-thread correcting lathe with components
circa 1910
Screws and bolts from model ribbon loom
Three brass screws from the Gravity pendulum by Bailey
1834
Hunter's screw
1781-1840
Box of Sample Screw Threads, 1855-1860
1855-1860
6 screws and 1 nut from the example of the free pendulum clock
1930-1940
6 screws and 3 nuts from the English Reifler escapement astronomical clock designed by E. T. Cottingham
1923-1925
Metal screw
Six butterfly headed steel screws and washers
Conical steel screw with wooden handle
Screws, etc. from "Conway" amplifier equipment (1970)
Brass Screws for Triple-Expansion Marine Steam Engine
Two screws and a spare glass pane
Screws (Spares)
Screws for stick barometer by Martin
Screws from circular knitting machine
Bone plates, mesh and screws for reconstructive surgery, United States, 1996
1996
Envelope containing screws for for 9-inch reflecting telescope
1767-1768
Plastic bag containing two screws and two wide washers
Two small screws
Three screws and key on string from Kew pattern station barometer by Negretti & Zambra, London
Four Coach Screws
Original Screws and Fittings for Refracting Telescope on Equatorial Stand
1769
Screws from Walligraph 'lazy tongs' extending telephone bracket support
1925-1935
Plastic bag containing screws and squared clamp for a bespoke headrest mount
Slotted cheese-head brass screws for clamps and micrometers
1832
Adjustment screws for telescope by Wray, c 1875.
1875
Nuts and Screws for Triple-Expansion Marine Steam Engine
1924-1928
Four holding down screws
Bolt with washer for smoke detector cabinet.
1958
15 buffer screws
1762
Two screws from James Watt's workshop
1790-1819
Wood screws
1790-1819
Screws from James Watt's workshop
1790-1819
Four screws and nuts
1790-1819
Piece of round brass
1790-1819
238 Brass and iron screws, various sizes and shapes
1790-1819
Glass fronted display case of G.K.N. screws
c.1948-1960