'Form M Revised Stanford-Binet Scales', IQ test, United States, 1937
1937-1960
Papier mache model of human eye
1913
Fechner's double sound pendulum for testing aural discrimination
1898-1908
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
Decade Resistance Bridge by Cambridge Instrument Co. Ltd.
1924-1939
Sledge induction coil, Du Bois-Reymond type
'Mare and Foal' picture completion test
Healy Pictorial Completion Test, Chicago, United States of America, 1921
1921
Colour dictionary, London, England, 1934
1934
Coloured wooden shapes for constructing mosaic patterns
Intelligence test
1930-1980
'Humpty Dumpty’ Jigsaw Puzzle, England, 1940-1950
1940-1950
Decroly Matching Game, Stutsman test
Cumulative recorder writing device by Ralph Gerbrands Co.
1950-1970
Picture puzzle board, Chicago, United States, 1930-1980
1930-1980
Tachistoscope, 2-field
1965-1980
Test material; toys, beads, in wooden case
1937-1953
Synclock precision time interval meter by Everett Edgecumbe
Wooden form board with ten shapes by Andrew H. Baird
Psychometric Test, form board, Chicago, United States, 1930-1980
1930-1980
Wooden form board, "Kempf's Diagonal Test"
Pencil and weight with securing screw
Wooden form board with various shapes
Instruction cards for psychological tests
Ergograph
Chronotron, model 25E, by Electronic Instruments Ltd., England, 1960-1970
1960-1970
Three and six cube pyramids, Stutsman
Mounted tuning fork
Jigsaw puzzle, circus scene, 30 pieces
'Their Majesties The King and Queen'
1905
Mounted tuning fork
'Dearborn Construction Puzzle'
Mounted tuning fork
'Playing Mother'
'Mother's Own' 2 piece Stutsman picture puzzle
Decade resistance box Type A-6-B 'Units'
Model BB Junior 8 mm cine camera
Gramophone turntable with no pickup arm
Ergograph by E. Zimmerman
Timing unit by Venner Electronics Ltd.
Brush on wood pole handle
Switch box for galvanometer readings by Gambrett Bros. Ltd.
Jigsaw puzzle with twelve 6-sided star pieces
Wooden form board with various shapes
Jigsaw puzzle showing large building, 69 pieces
Tuning fork with chamois case
Leipzig wheel with arms and contacts
