Show how to etch glass A simple way nay to etch glass la Is to w warm arm it carefully if heated too rapidly it w will in crack rub paraffin or it beba w wai ax 0 oer er the warm waren surface of the th gl glass ass and nd then v fill a blunt last inston mont ment print the desired wording to some duo rp spar cal calcium citan fluoride placed in metal dish add enough concentrated cut cent rated sulphuric arld acid to moisten th tha powder place the glass with the tha marked side down over the metal the dlab combe contain lug it the above be a chemicals chemical and ad leave leare ll it over oice id night I 1 in n the morning or scrape crop th the p paraffin do off if and ad th the d desired words will be etched on an the th glass |