International Correspondence Schools · Scranton, The Colliery engineer company · leaf 119
SIGN PAINTING. 27 of the metal by means of a stylus. The wax is used onlywhen a line etching is desired, and is therefore more especiallyadapted to small work, on which the letters are of miniature size. 62. Etching.—The etching should be done in a room setapart for this exclusive purpose, as the… … perfectly level, and over it is suspended a funnel-shaped hood,to collect the fumes and carry them off to the outside air or toa chimney flue. This arrangement is shown in Fig. 4, whereh is the etching table under the hood a. At c is shown thevent that carries off the obnoxious vapors. 63. Beeswax…
Lettering · Sign painting
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