1778 Copper Engraving Antique Hydraulic Machine Pump Dupuy Diderot Drawing DDR1 YLW1 There is an orange blemish

There is an orange blemish in the left margin of this ad

Basel is located at the border of France

which aids in airplane control system and Micro Switch color coding

Shelhamer This is an original 1904 black and white in-text lithograph illustration by C

Reproductive art by Sheer

1778 Copper Engraving Antique Hydraulic Machine Pump Dupuy Diderot Drawing DDR1 YLW1 There is an orange blemish"Hydraulique, Machine de Dupuis" This is an original 1778 black and white copper engraving of several views of an hydraulic machine invented by Claude Thomas Dupuy (Dupuis). CONDITION This 235+ year old Item is rated Very Fine ++. Light aging throughout. Small crease top center. No natural defects. No water damage. There is a small tear at the top of the original center crease. Please note: There is a plate impression bordering the image in this