3 Free Artworks of Surface Condensers

Surface condenser (Steam and the Steam Engine, Evers)
scans from 'steam and the steam engine - land and marine'1875,
Multi-tubular surface condenser (New Catechism of the Steam Engine, 1904)
new catechism of the steam engine (1904)/undescribedsurface condensers
Diagonal compound paddle engine, surface condensing (Rankin Kennedy, Modern Engines, Vol V)
modern engine1912
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