Brooch Making Group C Data

Metal Casting We started with 30 pennyweights of bronze casting grain poured into the crucible. The start time was 2:12 and the finish time was 2:20. Temperature (F) Steps 878.7 Initial heat of flame 1217 First metal temp 1276 Second metal temp 1624 Third metal temp (flask goes in) 1700 Pin dropped, spinning 998 Flask…