Plaster replica of black Basalt Cubit Rod 531
1931; 250 BCE
Bronze Lioness weight, from Palace at Nimrud
1933
Replica of Norse folding bronze balance
1938
Alabaster mortar
2000-1350
Bronze probe(?), twisted stem, Romano-Egyptian
20-500
Scleral contact lens in case, Stuttgart, Germany, 1936
1936
Bradley's New Number Builder game, 1930-1945
1930-1945
Capacity bridge type D-23-B
1940
Plaque of William Froude
1930-1947
Railway slide rule
1928
Railway slide rules
1928
Railway slide rule
1928
The Beginnings of Air Mail
1939
Sectric synchronous motor electric wall clock
circa 1946
Elbowed stereoscopic rangefinder
1939-1945
No.1 London Argand Burner
1925
Photograph, 8.5" X 6.5"
1929
Pocket refractometer
1930
Stand for electrolytic analysis by Gallenkamp
1925
Kryha ciphering machine
1926-1930
Duplex, double thrust ball bearing made by Ransome and Marles for a 2 1/4" shaft
1924-1931
Monophone table telephone with separately-mounted bell set
1925
Magnetophon tape recorder type ton.S.d
circa 1943
Plaster replica of IBEX weight
1370-1350 BCE; 1931
Model of Bascule de Quinteny weighing mechanism
1930
Model of Compound Lever Weighbridge
1930
Model of Beranger Counter Scale weighing mechanism
1930
Copy of Egyptian two cubit rod
1930
"Oxford" astrolabe
1925-1930
Model of weighing mechanism - Inverted Counter Scale
1930
30-inch reproduction of a 200-inch Map of the Moon
1932-1938
Gecophone Victor 3 broadcast radio receiver
1928
Photo of Stern's calculating machine
1927
Alabaster bottle
2000-1350
Earthenware drug jar, China,
before 1930
Earthenware oil jar
2000-1350
Earthenware jug
2000-1350
Olive ended probe, bronze, Romano-Egyptian
20-500
Alabaster bottle
2000-1350
Strigil hanger, bronze, Roman, from Luxor
20-400
Callendar's apparatus for the mechanical equivalent of heat
1934
Bar magnets
1926-1940
Creed No. 10 undulator receiver, 1925
1925
Comparator instrument stand made by King of Hayes
1939-1946
Electrolytic cell with electrodes by Baird and Tatlock
1926
Dallmeyer Lens Cleaning Outfit
1925
Ornamental wood spheroid with circular base with 24 equally spaced grooves
1928
One of four photographs in passe-partout frames of Solar Corona taken with Lyot's "Coronagraph"
1936
A dodecahedron
1937
White rectangular brick from Ipswich
1930