Description and Specification for Lab Tenders
Drape Meter.
Drape meter consists of a circular specimen support, an electric lamp to
give off light, and an exposing and developing arrangement using light
sensitive ammonia paper to determined the area covered by the shadow of
the test specimen, and an electric lamp to expose the ammonia paper to
determine the area covered by the shadow of the test specimen. The
circular specimen support is made out cast aluminum and is fixed over a
clear acrylic sheet.
