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<p>[QUOTE=&quot;all_fakes, post: 114685, member: 55&quot;]Found a reprint of an old article from February 1929.</p><p>The hydrocoll (a hydrocolloidal modeling compound) came in sticks the size of the barrel.&nbsp; One would unscrew the end cap, put the stick inside, reattach the cap, and place the assembly in boiling water for four minutes.&nbsp;&nbsp; Put it vertically on a table and work the T-handled mixing rod back and forth vigorously about a dozen times.&nbsp; Place in cold water, and agitate a few more times.</p><p>Once it is cool, remove the end cap and use the ejecting handle to eject a small amount of material into the impression tray.&nbsp; Smooth it, and eject some more hydrocoll to fill the tray.</p><p>&nbsp; &nbsp; If a smaller amount was needed, a spare cap could be attached to reduce the diameter of the ejected material.[/QUOTE]</p><p><br /></p>

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