Set of 7 square brass grain weights and two folded pieces of paper: one of which is inscribed with ‘Alicante’, for the Mark of Alicante from the Castlereagh Collection 1800-1818
Set of 8 brass nested cup weights for the Mark of Alicante from the Castlereagh Collection for Alicante 1800-1818
Set of 4 flat brass grain weights, from the Castlereagh Collection for Constantinople (Turkey). Set of 4 flat brass grain weights 1800-1818
Set of 7 domed octagonal brass weights, from the Castlereagh Collection for Constantinople (Turkey), unsigned, Constantinople, Turkey, 1800-1818 Set of 7 domed octagonal brass weights 1800-1818
Brass cylinder weight used for testing individual's perception of weight. Number '10' engraved on the base. Cambridge Instrument Co., Cambridge, 1893 Weight, from weight perception apparatus 1893
Brass cylinder weight used for testing individual's perception of weight. Number '4' engraved on the base. Cambridge Instrument Co., Cambridge, 1893 Weight, from weight perception apparatus 1893
Boxed thermometer with brass weight, from the Castlereagh Collection for Constantinople (Turkey). Boxed mercury thermometer with brass weight, that came from the Castlereagh Collection in the drawer for Constantinople (Turkey) 1800-1818
Brass cylinder weight used for testing individual's perception of weight. Number '2' engraved on the base. Cambridge Instrument Co., Cambridge, 1893 Weight, from weight perception apparatus 1893
Brass cylinder weight used for testing individual's perception of weight. Number '7' engraved on the base. Cambridge Instrument Co., Cambridge, 1893 Weight, from weight perception apparatus 1893
Brass cylinder weight used for testing individual's perception of weight. Number '4' engraved on the base. Cambridge Instrument Co., Cambridge, 1893 Weight, from weight perception apparatus 1893
Brass cylinder weight used for testing individual's perception of weight. Number '0' engraved on the base. Cambridge Instrument Co., Cambridge, 1893 Weight, from weight perception apparatus 1893
Brass cylinder weight used for testing individual's perception of weight. Number '4' engraved on the base. Cambridge Instrument Co., Cambridge, 1893 Weight, from weight perception apparatus 1893
Brass cylinder weight used for testing individual's perception of weight. Number '14' engraved on the base. Cambridge Instrument Co., Cambridge, 1893 Weight, from weight perception apparatus 1893
Brass cylinder weight used for testing individual's perception of weight. Number '2' engraved on the base. Cambridge Instrument Co., Cambridge, 1893 Weight, from weight perception apparatus 1893
Brass cylinder weight used for testing individual's perception of weight. Number '18' engraved on the base. Cambridge Instrument Co., Cambridge, 1893 Weight, from weight perception apparatus 1893
Brass cylinder weight used for testing individual's perception of weight. Number '7' engraved on the base. Cambridge Instrument Co., Cambridge, 1893 Weight, from weight perception apparatus 1893
Brass cylinder weight used for testing individual's perception of weight. Number '0' engraved on the base. Cambridge Instrument Co., Cambridge, 1893 Weight, from weight perception apparatus 1893
Brass cylinder weight used for testing individual's perception of weight. Number '24' engraved on the base. Cambridge Instrument Co., Cambridge, 1893 Weight, from weight perception apparatus 1893
Brass cylinder weight used for testing individual's perception of weight. Number '0' engraved on the base. Cambridge Instrument Co., Cambridge, 1893 Weight, from weight perception apparatus 1893
Brass cylinder weight used for testing individual's perception of weight. Number '18' engraved on the base. Cambridge Instrument Co., Cambridge, 1893 Weight, from weight perception apparatus 1893
Brass cylinder weight used for testing individual's perception of weight. Number '0' engraved on the base. Cambridge Instrument Co., Cambridge, 1893 Weight, from weight perception apparatus 1893
Brass cylinder weight used for testing individual's perception of weight. Number '14' engraved on the base. Cambridge Instrument Co., Cambridge, 1893 Weight, from weight perception apparatus 1893
Brass 2 drachm weight found in card cylinder pill box. 2 drachms Brass 2 drachm weight found in card cylinder pill box. 2 drachms 1830-1860
Brass 1 scruples weight found in card cylinder pill box. Brass 1 scruples weight found in card cylinder pill box 1830-1860
Brass 2 scruples weight found in card cylinder pill box. Brass 2 scruples weight found in card cylinder pill box 1830-1860
Brass cylinder weight used for testing individual's perception of weight. Number '9' engraved on the base. Cambridge Instrument Co., Cambridge, 1893 Weight, from weight perception apparatus 1893
Brass cylinder weight used for testing individual's perception of weight. Number '0' engraved on the base. Cambridge Instrument Co., Cambridge, 1893 Weight, from weight perception apparatus 1893
Brass cylinder weight used for testing individual's perception of weight. Number '14' engraved on the base. Cambridge Instrument Co., Cambridge, 1893 Weight, from weight perception apparatus 1893
Brass cylinder weight used for testing individual's perception of weight. Number '4' engraved on the base. Cambridge Instrument Co., Cambridge, 1893 Weight, from weight perception apparatus 1893
Brass cylinder weight used for testing individual's perception of weight. Number '10' engraved on the base. Cambridge Instrument Co., Cambridge, 1893 Weight, from weight perception apparatus 1893
Brass cylinder weight used for testing individual's perception of weight. Number '10' engraved on the base. Cambridge Instrument Co., Cambridge, 1893 Weight, from weight perception apparatus 1893
Brass cylinder weight used for testing individual's perception of weight. Number '6' engraved on the base. Cambridge Instrument Co., Cambridge, 1893 Weight, from weight perception apparatus 1893
Brass cylinder weight used for testing individual's perception of weight. Number '14' engraved on the base. Cambridge Instrument Co., Cambridge, 1893 Weight, from weight perception apparatus 1893
Brass cylinder weight used for testing individual's perception of weight. Number '12' engraved on the base. Cambridge Instrument Co., Cambridge, 1893 Weight, from weight perception apparatus 1893