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Weight perception apparatus in case

Set of cylinders for testing individual's perception of weight, cased, by Cambridge Instrument Co., Cambridge, 1893

Weight perception apparatus in case

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Case for weight perception set

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

Wooden tray with three slots for cylinder weights. The tray has the number '3' engraved on the top left corner. On the front base are engraved the numbers of the weights to be placed in the slots: '4, 7 ,10'. The tray also has small metal hooks, one on top right corner and one on bottom left corner. Cambridge Instrument Co., Cambridge, 1893

Tray for weights, from weight perception apparatus

1893

Wooden tray with three slots for cylinder weights. The tray has the number '2' engraved on the top left corner. On the front base are engraved the numbers of the weights to be placed in the slots: '0, 2, 4'. The tray also has small metal hooks, one on top right corner and one on bottom left corner. Cambridge Instrument Co., Cambridge, 1893

Tray for weights, 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 '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 '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 '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 '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 '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 '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

Wooden tray with three slots for cylinder weights. The tray has the number '5' engraved on the top left corner. On the front base are engraved the numbers of the weights to be placed in the slots: '4, 9, 14'. The tray also has small metal hooks, one on top right corner and one on bottom left corner. Cambridge Instrument Co., Cambridge, 1893

Tray for weights, 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

Wooden tray with three slots for cylinder weights. The tray has the number '9' engraved on the top left corner. On the front base are engraved the numbers of the weights to be placed in the slots: '0, 9, 18'. The tray also has small metal hooks, one on top right corner and one on bottom left corner. Cambridge Instrument Co., Cambridge, 1893

Tray for weights, from weight perception apparatus

1893

Wooden tray with three slots for cylinder weights. The tray has the number '6' engraved on the top left corner. On the front base are engraved the numbers of the weights to be placed in the slots: '0, 6, 12'. The tray also has small metal hooks, one on top right corner and one on bottom left corner. Cambridge Instrument Co., Cambridge, 1893

Tray for weights, 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 '24' engraved on the base. Cambridge Instrument Co., Cambridge, 1893

Weight, from weight perception apparatus

1893

Wooden tray with three slots for cylinder weights. The tray has the number '12' engraved on the top left corner. On the front base are engraved the numbers of the weights to be placed in the slots: '0, 12, 24'. The tray also has small metal hooks, one on top right corner and one on bottom left corner. Cambridge Instrument Co., Cambridge, 1893

Tray for weights, from weight perception apparatus

1893

Wooden tray with three slots for cylinder weights. The tray has the number '8' engraved on the top left corner. On the front base are engraved the numbers of the weights to be placed in the slots: '2, 10, 18'. The tray also has small metal hooks, one on top right corner and one on bottom left corner. Cambridge Instrument Co., Cambridge, 1893

Tray for weights, 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 '10' engraved on the base. Cambridge Instrument Co., Cambridge, 1893

Weight, from weight perception apparatus

1893

Wooden tray with three slots for cylinder weights. The tray has the number '7' engraved on the top left corner. On the front base are engraved the numbers of the weights to be placed in the slots: '0, 7, 14'. The tray also has small metal hooks, one on top right corner and one on bottom left corner. Cambridge Instrument Co., Cambridge, 1893

Tray for weights, 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

Wooden tray with three slots for cylinder weights. The tray has the number '10' engraved on the top left corner. On the front base are engraved the numbers of the weights to be placed in the slots: '4, 14, 24'. The tray also has small metal hooks, one on top right corner and one on bottom left corner. Cambridge Instrument Co., Cambridge, 1893

Tray for weights, 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

Wooden tray with three slots for cylinder weights. The tray has the number '4' engraved on the top left corner. On the front base are engraved the numbers of the weights to be placed in the slots: '6, 10, 14'. The tray also has small metal hooks, one on top right corner and one on bottom left corner. Cambridge Instrument Co., Cambridge, 1893

Tray for weights, 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 '12' 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 '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 '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 '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 '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 '24' engraved on the base. Cambridge Instrument Co., Cambridge, 1893

Weight, from weight perception apparatus

1893