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. (1917)
Kolesch & Company · Kolesch & Company · leaf 86
2050 Isograph Precision Protractor each, $ .SC Made of transparent celluloid and has the degrees indicated by notchesinstead of lines (see cut). To lay off a degree put the pencil in the notchcorresponding to the degree wanted. For z/2 degrees set pencil at the pro-jecting points between the…
Drawing instruments · Surveying -- Instruments
Internet Archive · Building Technology Heritage Library · Public Domain Mark 1.0. Free to use for anything.
![An illustration from Libri de re rvstica : M. Catonis Lib. I. M. Terrentii Varronis Lib. III. L. Ivnii Moderati Colvmellae Lib. XII. Eiusdem De arboribus liber, separatus ab alijs, quare autem id factum fuerit, ostenditur in epistola ad lectorem. Palladii Lib. XIIII. De duobus dierum generibus, simulq[ue] de umbris & horis, quae apud Palladium, in alia epistola ad lectorem. Georgii Alexandrini Enarrationes priscarum dictionum, quae in his libris Catonis, Varronis, Colummelae (1514)](https://img.insideoutlibrary.com/img/200/ia-gri_33125008960722-322-0.webp)
