Amateur mechanics ... a book for old and young who like to make things .. (1907)
Popular mechanics magazine, Chicago. [from old catalog] · Chicago, Popular mechanics · leaf 22
. flour emery and mix in 12qt. of water; immediately turn thewater into a clean dish and let settle30 seconds; then turn it into anotherdish and let settle 2 minutes, then 8minutes. 30 minutes and 90 minutes,being careful not to turn off thecoarser emery which has settled. Whendry, turn the emery… … or 2 in.) until the holes in the glassleft by the grain ernery are groundout; next use the finer grades until thepits left by each coarser grade areground out. When the two lastgrades are used shorten the strokes toless than 2 in. When done the glassshould be semi-transparent, and isready for…
Handicraft · Amusements
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