Object 20
Container
Contains 1 Result:
Spatterdock vacuum-form mold (1 of 2), circa 1950s-1970s
Item — Object: 20
Identifier: Mem_inv_266
Scope and Contents
Vacuum-form mold used to make spatterdock leaves for exhibits, possibly between the 1950s and the 1970s.
Vacuum forming involves heating a sheet of plastic to a forming temperature. The sheet is then forced against a mold using a machine vacuum which draws the hot pliable plastic sheets over the leaf plaster molds. This process picks up and transfers all the details of the leaf mold to the plastic sheet. After the sheet cools, each leaf is cut out and has a wire attached to it....
Dates:
Usage: circa 1950s-1970s
