Tag Archives: telescope

Casting Aluminum w/ Homemade Furnace

Posted on March 6, 2010 by admin

Here I am casting a part for a Crayford Style Focuser to be used with a 8″ Newtonian telescope I’m building. I’m using a propane furnace, a graphite crucible, and the “mold” is a tin soup can. I need a … Continue reading →

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