M. Wiseman & Company Ltd
Europe: United Kingdom
overall: 21 mm x 151 mm x 74 mm
Two crossed cylinders, 0.25 D and 0.50 D, with white metal rims and handles, in black leatherette case fastened with two yellow metal clasps, with dark blue velvet lining and a lighter blue lining to the lid.
Gift of Mrs Esme Kirk in memory of Neville Kirk FCOptom, 2013