Old/antique Dividers,calipers,pair Of Compasses,ellipsograph: Infos 1850-1920

US $250

  • Dresden, Germany
  • Jan 30th
Collection of Old Patents on Drawing Instruments from 1850-1920 This collection offers over 470 old patents on drawing instruments, including dividers/pair of compasses, calipers, ellipsographs, and beam compasses. These patents are from the USA and Great Britain and date between 1850 and 1920, all written in English. Each patent contains complete text and detailed drawings, making it a comprehensive overview of the patent situation in this field during this era. This collection is an amazing resource for those interested in antique drawing instruments and is sure to provide valuable historical insight. Delivery is made in a pdf-file collection (*.pdf) on CD, and each file contains a complete patent. Opening the files is easy with a free program like Acrobat Reader. You can print each file or use antique-style paper to create beautiful wall decorations. An Excel list (*.xls) with patent numbers, issue dates, titles, and some inventor/owner names is also included and linked directly to the patent files. Shipping is available worldwide, and you can purchase multiple collections without incurring additional shipping costs. Payment options include Paypal, international bank account transfer (for buyers in the EURO region), or cash in a letter (at your own risk). Copyright of the CDs belongs solely to the seller.

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