Sand glass in four pillared wooden mount
1750-1800
Bio-brick grown from urine, University of Cape Town
2023
Double Sand Glass in Wooden Mount, Unsigned, 1780-1880
1780-1880
Netsuke in form of miniature hour glass
Hour glass
1750-1850
Model of Sub-Surface Float
1976-1977
Single sandglass in metal case
circa 1935
Sand timer
1920-1960
Figures depicting the execution of a prisoner
1880-1920
A set of four sandglasses in a brass frame, probably 17th century.
1601-1700
Pocket Sand Glass, Unsigned, 1601-1700
1601-1700
Sand Glass in Wire Mount with an Alarm
1760-1850
Medical Pulse Glass by Garrold, 1930-1960
1930-1960
Sectioned Deep Sea Core Sediment from the Irish Sea, 1960-1977
Model of trailing suction dredger 'Prins der Nederlanden'
1968-1981
Gurney's Water Tube Boiler, 1826
1923
Portable 1/2-minute pulse glass
1920-1950
Six-stage half-hour sand-glass
1600-1630
Ornamental Sand Glass in Wooden Mount, 1801-1920
1801-1920
Four-Way Hour Glass in Wood Frame, Unsigned, 1601-1700
1601-1700
Sand glass (old sermon glass)
Common sand glass, in case
1801-1900
Single sand-glass in wooden mount
Double sand-glass in wooden mount
Single Sand Glass in Wooden Mount, 1801-1910
1801-1910
Multi-Stage Sand Glass, Unsigned, 1740-1840
1740-1840
Ship's log sandglass
Sand Glass in Tipping Iron Mount, Unsigned, 1780-1850
1780-1850
Sand Glass in Cylindrical Brass Mount,
1601-1700
Sand Glass in Cylindrical Brass Case, Unsigned, 1601-1700
1601-1700
A Modern Medical Pulse Glass, Unsigned, 1948
1948
Single sand-glass in wooden mount
Scale model of Thor Heyerdahl's raft ' Kon Tiki'
1971
Sand Glass in Wooden Mount, 1880-1970
1880-1970
Pulse glass, European, 19th Century
1801-1900
Sand timer
1920-1960
Sand-glass, single with cylindrical ampoules in mahogany mount
Unmounted Sand Glass with Corked Entry Hole, Unsigned, 1890-1950
1890-1950
Unmounted Sand Glass, Unsigned, 1890-1950
1890-1950
Four-Hour Sand Glass, Unsigned, 1600-1800
1600-1800
Model Coracle of Oxhides
1931
Fibreglass model Allosaurus
1997-1998
Sir Francis Galton type hand anemometer, 1882-1894
1882-1894
Toys from child psychotherapist Margaret Lowenfeld's 'Wonder Box', England, 1920-1970
1920-1970
Silver inkstand
1803
Single sand-glass in four pillared wooden mount
Sample of Redhill flint glass sand, 1996.
Heating pad with instructions and original carton.
1928-1960
Two sand-filled bolsters
1900-1950