| Logo: Prize Medal, 1862, Rudall Rose Carte & C0 20 Charing Cross London No 766.
":a Samson Finger-slide valve each piston, (spring loaded in a casing), has a finger (connector) on it’s side that is connect to the actual valve in the tube next to it. In other words, the tube and valve where air passes though is adjacent to the finger pistons."
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