Image: Jan Verbruggen Foundry Drawing 47 Horizontal Boring Machine
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Description: Exact Drawing made with Camera Obscura of Horizontal Boring Machine by Jan Verbruggen in Woolwich Royal Brass Foundry approx 1778 (drawing 47 out of set of 50 drawings)
Title: Jan Verbruggen Foundry Drawing 47 Horizontal Boring Machine
Credit: Family Archive Semeijns de Vries van Doesburgh
Author: Pieter Verbruggen
Usage Terms: Creative Commons Attribution-Share Alike 3.0
License: CC BY-SA 3.0
License Link: https://creativecommons.org/licenses/by-sa/3.0
Attribution Required?: Yes
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