M. Wiseman & Company Ltd
Europe: United Kingdom
case: 149 x 70 x 18 mm
Two crossed cylinders, 0.25 D and 0.50 D, with white metal rims and handles, in black leatherette case fastened with two metal clasps, with blue lining.
Gift of Arthur C. Mawson in memory of H.P. Southcott, 2001