National Geographic : 1943 Jan
Many Mirrors Mirror the Barehand Stage in the Making of Quality Mirrors No machine has yet duplicated the sensitive caress needed for detecting foreign particles and giving the final polish. The worker first powders his palm with flourlike pumice. The mirror maker aims at perfect reflection by backing up perfectly transparent glass with a perfectly opaque material. Glass Must Be in the "Taffy State"-1,200 to1,500 Degrees Hot-ToBe Cut with Scissors A skilled finisher of A. H.Heisey and Company "rolls" apitcher onhis chair arm. At the right moment agatherer seizes agobfrom the"glory hole" (smaller furnace door) and attaches ittotheside ofthepitcher. The finisher shears and shapes it into ahandle.