EUREKA SAFETY POWER!

Practically IMPOSSIBLE TO EXPLODE.

Tested to 300 lbs. pressure per square inch.

2-Horse Power, $150, 3 to 4 H.P., $250.

Also, Stationary Engines and boilers, and

SPARK ARRESTING PORTABLE ENGINES

for plantation use. Send for our circular.

Discount to the trade.

B. W. PAYNE & SONS,

Corning, N. Y.

SIZING OF COTTON GOODS. Read before the Society of Arts by

W. Thompson, F.R.S. A most Full and Clear Description of the process,

embracing: An account of the process of Weaving, explaining the object

and utility of Size. A table of Sizing Mixtures, in which are

enumerated the Substances used: 1, for giving Adhesive properties to

Size; 2, to give Weight and Body to the Yarn; 3, for Softening the

Size or Yarn; and 4, for Preserving the Size from Mildew and

Decomposition. Tests for these Substances, and Directions for

Preparing, so as to obtain the results required. Proportions of Sizing.

Use of Flour in Size. Weighting Materials, China Clay and its

substitutes. "Softenings," and Oils for Softening. East Winds and

their effect. Glycerine, Grape Sugar, Mildew Preventives, and Tape

Sizing. "Slashing," Packing, Damaged Goods, etc. Contained in

SCIENTIFIC AMERICAN SUPPLEMENT No. 80. Price 10 cents. For sale at this

office and of all newsdealers.

Scientific American, Vol. XXXVII.—No. 2. [New Series.], July 14, 1877 A Weekly Journal of Practical Information, Art, Science, Mechanics, Chemistry, and Manufactures · 第 124 / 213 题