three form boards and two object assembly tests
1900-1939; 1939-1960
Wooden form board, marked 'BEDFORD'
Moorees form boards from Rowntrees chocolate factory, United Kingdom, 1921-1939
1921-1939
Wooden form board with various shapes
Wooden form board with various shapes
Wooden form board, "Kempf's Diagonal Test"
Wooden form board with various shapes
Form Board 'B', 1920-1970
1920-1970
Performance Tests of Intelligence, Edinburgh, Scotland, 1928
1928
Wooden form board with ten shapes by Andrew H. Baird
Psychometric Test form board, 1930-1970
1930-1970
Passalong Test, London, England, 1937
1937
Wooden form board by C.H. Stoelting Co.
Wooden form board with various shapes
‘Dearborn’ form board with instructions, Chicago, United States, 1920-1970
1920-1970
Form Board 'A', 1920-1970
1920-1970