DEELEY’S ADSORBED FILM TESTING MACHINE, English, c. 1920, signed by the maker on an interior plaque “No. 32, R.M. Deeley¹s Patent; J.H. Steward Ltd., 406 Strand, London, England,” with three patent numbers c. 1918, and signed by the retailer on a case plaque “Herman A. Holz, Testing Machines of High Quality, 17 Madison Avenue, New York.” Made of bright lacquered brass, this unusual instrument stands 11-3/4″ (30 cm) tall on four levels separated by turned brass columns. The lowest
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