Gemerkt: 'The Schermuly Pistol Rocket Apparatus Ltd London'; 'The Schermuly Pistol Rocket Line Patent N°s 20693 (1908) 5626 (1911) 115130 (1917) --- Contents of case 250 Yards 1/2-inch Trade Mark --- to open, tear away the tapes, remove the top and... --- SPRA Works; Parkgate: Newdigate: Surrey'