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Slide 33 of 69
Notes:
From left to right top row
Sand Cast Breather Valve Guard
An elaborately cored shell moulded valve
From left to right bottom row
Pressure Die Cast Components, ideal for longs runs, this process gives excellent products with good properties and accurate reproduction. Closer tolerances can be obtained than with gravity die casting.
Investment Cast Clarinet Keys, eliminated the need for assembly by silver soldering from several components.
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