Society of Glass Technology · [Sheffield] · leaf 476
also the heatof a burner, J, to be transmitted tothe surface glass in the tank, butprevents direct contact between thehot gases and the cooler, E. It hasbeen found that without the plate, /,the hot gases deposit in the cooler acoating which reduces its efficiency. G. D. 82. Drawing Sheet Glass. C.…
Glass
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
