Block & tackle production c.1820 fine antique engraved engineering print

Features: Specialists for 30+ years in genuine authentic old maps, old prints & rare books. New inventory added regularly- we are very active dealers! Guaranteed old & authentic as described- for life! We do not sell reproductions of old items! We are knowledgeable, friendly and fair to deal with. Details: BLOCK MACHINERY Issued Philadelphia: c. 1810-20. Engraved by Tiebout & Kneass. Fine and uncommon original antique early-19th century engraved engineering print. Printed on quality period heavy paper which shows light signs of age, but still retains its inherent structural flexibility and soundness. This particular type of engraved printing process was very laborious, involving long-apprenticed highly trained hand artisans. It also involved challenging hand-operated machinery, inking of plates, sheets of paper individually hung to dry, and other endless tasks and labor. Because of these and various other factors, this printed leaf is an interesting original artifact from