James Watt's Sculpture copying machinery (eidograph)
Page 2 of explanation about James Watt's Sculpture copying machinery (eidograph), including a sketch of the valves and marked-up photograph which the note refers to
Picture No
12919124
Media ID
46136042
Size
2469px x 3504px
(1.2MB)
Credit
The Institution of Mechanical Engineers / Mary Evans
Source
Boulton & Watt
Date
circa 1809
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1809 Boulton Copying Eidograph Explanation Refers Valves Watt
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