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. . 2945 Polar Planimeter, German silver, with Adjustable TracingArm, about 9 inches long, for measuring areas. Withspecial arrangement for determining the mean height ofIndicator Diagrams. Xeedle pole, test plate and direc-tions in morocco each, $ For Indicator Scales, see list of scales. 98 KOLESCH «fc CO. NEW

---

Size: 1060px × 2357px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, bookdecade1910, bookidillustratedc, bookyear1917