2 Free Artworks of Proctor Stationary Steam Engines

1912ruston,modern enginescans from 'rankin kennedy1912/undescribedvol iv'
Ruston Proctor twin cylinder horizontal drop valve engine (Rankin Kennedy, Modern Engines, Vol IV)
ruston,1912
Ruston Proctor horizontal tandem compound slide valve engine (Rankin Kennedy, Modern Engines, Vol IV)
ruston,1912
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