Painting and painters' materials- a book of facts for painters and those who use or deal in paint materials (1883) (14737900946)

Identifier: paintingpainters00cond (find matches)
Title: Painting and painters' materials: a book of facts for painters and those who use or deal in paint materials
Year: 1883 (1880s)
Authors: Condit, Charles L Scheller, Jacob
Subjects: Painting, Industrial Paint
Publisher: New York, The Railroad gazette
Contributing Library: Getty Research Institute
Digitizing Sponsor: Getty Research Institute



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I would have a dark room in connection with the varnish room,in order to run my work into it in summer, to avoid flies, etc.—McGill, ut The Hub. The most perfect method of ventilation would be theinclosure of the stove in zinc, and the constructionof an air-box from the roof, or from some upperwindow at a point free from dust, which should feedthe stove with air. Were it possible to have a fluefrom over the hearth to a chimney, or to the roof,which could be opened when the ashes were removed,we should have a very nice arrangement. In anycase, the room needs an inlet and outlet for air ; and 2^2 Painting and Painters Materials, the former should open within an inclosure about thestove ; and the latter should have an adjustable stop. In large shops these arrangements are not required,and are a positive disadvantage, since heat ascends tothe ceiling. Such shops should be heated by steamand cannot be properly heated by stoves. Wherestoves are used some sides of the car or carriage will
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The effect of ice and of heat upon air in a flask.The contractions and expansions are shown by the posi-tion of liquid i7i the neck of the tube,^dry more rapidly than others; and more or less * The difference in the air is in its energy when hot or cold, but this isbest expressed by its bulk. Air and Moisture. 253 trouble from chill-cracking will probably occur. Mov-able screens are a positive necessity. At the best,much time will be lost in such shops in the colderweather for want of heat to dry the paint and var-nish. Thermo77ieter and Barometer,—Every shop shouldbe furnished with several thermometers hung at vari-ous points. The proper temperature for the bestdrying is 70 to 90 degrees. Here we must speak of a matter generally mis-understood. Air is like a sponge ; the tighter it iscompressed the less water it can hold. Cold com-presses the air and, therefore, in winter it containsmuch less moisture than in summer. As air becomeswarmer it is less compressed and will hold morewate