Illustrated catalogue and price-list of drawing and tracing papers, sun print papers and equipments, drawing instruments and materials, surveying instruments, accessories, etc / Kolesch & Company. . 1955 Suspended Pantograph, for reducing or enlarging in all ratios be-tween -g^ and £. Square hollow brass tubes, nickel plated, dividedinto mm. All joints are set in steel cones, insuring a free and easymovement of the arms. Complete in box, with weights, spirit level and directions 38 in. 33 in 28 in Bars. $ $ $ KOLESCII <fc CO. ffi*jQk NEW YORK. 79 The Boston Universal Pantogra
Illustrated catalogue and price-list of drawing and tracing papers, sun print papers and equipments, drawing instruments and materials, surveying instruments, accessories, etc / Kolesch & Company. . 1955 Suspended Pantograph, for reducing or enlarging in all ratios be-tween -g^ and £. Square hollow brass tubes, nickel plated, dividedinto mm. All joints are set in steel cones, insuring a free and easymovement of the arms. Complete in box, with weights, spirit level and directions 38 in. 33 in 28 in Bars. $ $ $ KOLESCII <fc CO. ffi*jQk NEW YORK. 79 The Boston Universal Pantograph. Patent Applied 1958 Boston Universal Pantograph, made of German silver, with 18 in. Celluloid Triangle, and directions for use, in box each, $ The Boston Universal Pantograph has been designed in order to combine, at areasonable cost, the accuracy of very expensive and intricate instruments, with thesimplicity and handiness of cheap ones. The expectations have been more than ful-filled, inasmuch as the Boston Universal, besides combining the good qualities offormer constructions, possesses some new ones of its own, and furthermore, in reducingand enlarging, covers a field never before attempted. It is of the most simple construction, in principle somewhat similar to the ordi-nary wooden pantograph, and requires therefore, only a moment to be set to thedesired proportion, ready for use. It is made of metal throughout, with the minutest care and best workmanship,and compares in accuracy with the best instruments in the market, at a fraction oftheir cost. The pivotal point is mounted on a celluloi
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Keywords: ., bookcentury1900, bookdecade1910, bookidillustratedc, bookyear1917
