'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
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
Coloured wooden shapes for constructing mosaic patterns
'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
Synclock precision time interval meter by Everett Edgecumbe
Psychometric Test, form board, Chicago, United States, 1930-1980
1930-1980
Tachistoscope, 2-field
1965-1980
Test material; toys, beads, in wooden case
1937-1953
Wooden form board with various shapes
Wooden form board with ten shapes by Andrew H. Baird
Chronotron, model 25E, by Electronic Instruments Ltd., England, 1960-1970
1960-1970
Pencil and weight with securing screw
Wooden form board, "Kempf's Diagonal Test"
Instruction cards for psychological tests
Ergograph
Three and six cube pyramids, Stutsman
Decade resistance box Type A-6-B 'Units'
Mounted tuning fork
'Playing Mother'
'Mother's Own' 2 piece Stutsman picture puzzle
Mounted tuning fork
Mounted tuning fork
Jigsaw puzzle, circus scene, 30 pieces
Ergograph by E. Zimmerman
Picture puzzle board, Chicago, United States of America, 1900-1920
1900-1920
'Dearborn Construction Puzzle'
Induction coil, mounted, with trembler
Timing unit by Venner Electronics Ltd.
Brush on wood pole handle
Model BB Junior 8 mm cine camera
Gramophone turntable with no pickup arm
Jigsaw puzzle showing large building, 69 pieces
Two hand dynamometers mounted on board
Switch box for galvanometer readings by Gambrett Bros. Ltd.
Box of favourite nursery rhyme puzzles
Jigsaw puzzle with twelve 6-sided star pieces
