H. W. Johns Manufacturing Co. · H. W. Johns Manufacturing Co. · leaf 3
H. W. Johns' Patent Asbestos Materials. "5T acfccrog … Thiu cut represent ■ specimen of Aflbegtos if rom oar own mines) in its natui-.il state T^K wonderful mineral Asbestos is not only mieslrucHbk .,,. /t ,/?>( or adds, but differs from all other known mineral substances in possessing fibres resembling »i!k or flax, some varieties of which can be…
Paint · Asbestos · Roofing · Insulation
Internet Archive · Building Technology Heritage Library · Public domain (published before 1931). Free to use for anything.
