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Antiques and Collectables Sale - 21st February 2026

Lot 394:

Drever & Collins Performance Test of Intelligence

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Start price: £18

Estimated price: £30 - £40

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Description

Drever and Collins Performance Test of Intelligence: Circa 1928. A Series of Non-linguistic Tests for Deaf and Normal Children; devised by James Drever and Mary Collins in 1928 and consisting of Kohs Block Design, Knox Cube Test, Domino Test, Picture Completion Test etc., and used on the University of Aberdeen Experimental Education EdB course, 1949-1950. Made in Edinburgh by Andrew H. Baird, .