'Form M Revised Stanford-Binet Scales', IQ test, United States, 1937
1937-1960
Fechner's double sound pendulum for testing aural discrimination
1898-1908
Papier mache model of human eye
1913
Probable penile plethysmograph used to measure male arousal
1960-1970
British Colour Council Dictionary of Colour Standards
1934
Electromagnetic device, Deprez signal time marker for use with kymograph
1924
Healy Pictorial Completion Test, Chicago, United States of America, 1921
1921
Decade Resistance Bridge by Cambridge Instrument Co. Ltd.
1924-1939
Sledge induction coil, Du Bois-Reymond type
'Mare and Foal' picture completion test
Intelligence test
1930-1980
Colour dictionary, London, England, 1934
1934
'Humpty Dumpty’ Jigsaw Puzzle, England, 1940-1950
1940-1950
Coloured wooden shapes for constructing mosaic patterns
Decroly Matching Game, Stutsman test
Picture puzzle board, Chicago, United States, 1930-1980
1930-1980
Cumulative recorder writing device by Ralph Gerbrands Co.
1950-1970
Synclock precision time interval meter by Everett Edgecumbe
Psychometric Test, form board, Chicago, United States, 1930-1980
1930-1980
Tachistoscope, 2-field
1965-1980
Wooden form board with various shapes
Test material; toys, beads, in wooden case
1937-1953
Wooden form board, "Kempf's Diagonal Test"
Wooden form board with ten shapes by Andrew H. Baird
Chronotron, model 25E, by Electronic Instruments Ltd., England, 1960-1970
1960-1970
Ergograph
Pencil and weight with securing screw
'Mother's Own' 2 piece Stutsman picture puzzle
Instruction cards for psychological tests
Ergograph by E. Zimmerman
Three and six cube pyramids, Stutsman
Mounted tuning fork
Picture puzzle board, Chicago, United States of America, 1900-1920
1900-1920
Decade resistance box Type A-6-B 'Units'
Mounted tuning fork
'Playing Mother'
Brush on wood pole handle
Timing unit by Venner Electronics Ltd.
Jigsaw puzzle, circus scene, 30 pieces
Mounted tuning fork
Induction coil, mounted, with trembler
'Dearborn Construction Puzzle'
Two hand dynamometers mounted on board
Model BB Junior 8 mm cine camera
Probably a battery powered amplifier
Gramophone turntable with no pickup arm
Jigsaw puzzle with twelve 6-sided star pieces
Wooden form board with various shapes
Jigsaw puzzle showing large building, 69 pieces
