EditorialJoseph Nollekens R.A. and Mrs. Nollekens: The pair of compasses and the pair of callipers side by side, John Thomas Smith, 17661833, British, undated, Pen and brown ink on medium, moderately textured, cream laid paper, Sheet: 3 5/8 ? 3 1/8 inches (9.2 ...
EditorialPhotograph - Schumacher Mill Furnishing Works, Diagram of a Calliper, Port Melbourne, Victoria, circa 1940s, Cyanotype diagram showing the callipers used in the Triumph Auto Filler. It is part of a collection of photographs and marked printer's copy us...