File:Drafting machine.jpg - Wikimedia Commons

File:Illustrated catalogue and general description of improved machine tools for working metal (1899) (14586653839).jpg - Wikimedia Commons

File:Drawing, Design and Sketch for MahoganyWriting Table, 1900–05 (CH 18681375).jpg - Wikimedia Commons

File:Drawing, Design for Kidney-Shaped Writing Table with Eight Drawers, 1900–05 (CH 18681325).jpg - Wikimedia Commons

File:BEC-cavity-experiment-drawing NJP17.043012.jpg - Wikimedia Commons

File:Drawing, Table with Removable Tray-top in Painted Metal, February 1935 (CH 18205147).jpg - Wikimedia Commons

File:Martinet (machine).jpg - Wikimedia Commons

File:Writing table (bureau plat) MET ES2403.jpg - Wikimedia Commons

File:Great Table Drawing By Tavernier.jpg - Wikimedia Commons

File:Leonardo da vinci, Drawing of a flying machine.jpg - Wikipedia

File:Electrical machines. Wellcome M0014510.jpg - Wikimedia Commons

File:Manuscript of Montgolfier describing his machine 1784.jpg - Wikimedia Commons