Analysis of paint vehicles, japans and varnishes (1920)
Holley, Clifford Dyer · New York : J. Wiley ; London : Chapman & Hall · leaf 102
88 PAINT VEHICLES, JAPANS AND VARNISHES No stirrer is used in the bath. A screen around the bath enables the temperature to be more easily- reached. When the cotton-seed oil has become tarry and viscid, it should be renewed; otherwise heating may be irregular. 121. Iodine jelly test. In a… … starting a stop watch. Keep the flask in the bath at 25° to 26° C. and at the end of every quarter minute, tilt the flask towards a horizontal position. Note the time required for the for- mation of a jelly that does not flow, but sticks to the bottom of the flask or slides as a mass. Record time…
Paint · Japanning · Varnish and varnishing
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
