Keys to the Clockmakers Company chest
1766
Acme patented Key
1869
Folding key for oxygen cylinder valves
1869-1930
Silver gilt presentation key in case
1927
Large iron key
1830-1910
Key switch
Key for leg iron, iron, European, 1501-1800
1501-1800
Key for leg iron, European, 1501-1800
1501-1800
Original keys of the Balloon Factory
Key switch, type C-412-C, by Muirhead and Co. Ltd.
Two keys for a wooden box containing a set of seven specimens of elements prepared by Bunsen and Matthiesen
1856-1885
Keys
1978-1997
Two keys
Bunch of keys
Brass key
Three keys for Yale door latch, 1901-1930
1901-1930
Crewe Collection of Permanent Way Material
1850
Key for leg iron, European, 1501-1800
1501-1800
Key for leg iron, iron, European, 1501-1800
1501-1800
Drawer full of duplicate keys for registered customers
Keys
Steel square hole keys
1790-1819
Key for surgical set case
1917
Steel key
Keys
Key to open trial case
Aluminium key for clockwork polygraph
1910-1930
Key to case
Key, for use with trephining instruments
1701-1800
Key to case
Key to case
Metal key from Baron Heurteloup's artificial leech, c. 1850.
1845-1855
Key from wooden miniature trial case, English
Accessories for polygraph
1880-1930
Keys, 2
Key for compound monocular microscope
Steel key
Two metal keys
Brass key
Key, steel
Benjamin Bell's key
Key, iron
Benjamin Bell's key
1750-1820
Keys
Keys, clock, watch
Spare keys for ICL 36 personal computer
1984