Physical description
Two rectangular invar blocks, each 3 in. x 1-3/8 in.in hinged cardboard box. Block: 56.1 has a 5 cm length marked in millimetres on a highly polished surface. and 56.2. ditto with a 2 inch length graduated in 20ths (for 1 in.) and 100ths (for 1 in.) Box: 56.3. Almost certainly two Grayson rulings. See also Cat. nos 64, 65
Inscriptions & markings
On inside of box: 4New? 3pd” Box top: “Virginia Blend The Gorrick Cigarette Handmade Lambert & Butler London”!!!