Brian Whatcott wrote "How does Hecht's list compare with the list
provided by Ken Fox..?"
--
I no longer have Fox's list, but here is Hecht's:
asbestos
rabbit fur
glass
mica
wool
quartz
cat fur
lead
silk
human skin, aluminum
cotton
wood
amber
copper, brass
rubber
sulfur
celluloid
india rubber
On contact, the upper substance becomes positively charged.
--
Martha Takats
Department of Physics and Astronomy
Ursinus College
Collegeville, PA 19426