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Lanchester six 38hp engine side view.jpg - A7N8X
Itala rotary valve strokes.jpg - A7N8X
Itala rotary valve.jpg - A7N8X
Itala rotary valve cooling.jpg - A7N8X
Slide cylinder valve.jpg - A7N8X
Lanchester valve actuation.jpg - Andy Dingley
Leaf valve spring (Autocar Handbook, Ninth edition).jpg - A7N8X
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