OCR Text |
Show times it retains its elasticity and remains glossy in every kind of weather. Ex. 7o-xxxilx for 33xr,xr-ings. 33xr,xr-ings. A varnish that produces no stain may be prepared as follows: Clear damar resin is covered in a flask with four and a half to six times its weight of acetone, and allowed to stand for fourteen days at a modor-j ate temperature, after which the clear solution is poured off. Three parts of this sloution are mixed with four parts of thick collodion, and the mixture allowed to become clear by standing. It is applied with a soft hair brush in vertical strokes. At first the coating looks like a thin white film, but on complete drying it becomes transparent and shining. If laid on two or three |