[ Photographs ] (Industrial) Rubber Album of 63 highly retouched photographs of rubber manufacturing machinery produced by Bertrams Limited, Sciennes, Edinburgh, including calendars, mixers and grinders latex macerating machines, and vulcanising

[ Photographs ] (Industrial) Rubber Album of 63 highly retouched photographs of rubber manufacturing machinery produced by Bertrams Limited, Sciennes, Edinburgh, including calendars, mixers and grinders latex macerating machines, and vulcanising presses. Linen-backed toned silver prints and 24 unmounted cyanotypes, 9x 11.5inches, or slightly smaller, most captioned in the negative. Oblong 4to, gilt-stamped cloth, edges worn. 1910-14