SCHUYLKILL FALLS, PHILA., PA.

* * * * *

WOODWORTH SURFACE PLANERS, $125. Planers and Matchers, $350. S. C.

HILLS, 78 Chambers Street, New York.

* * * * *

[Illustration: Columbia Bicycle.]

THE COLUMBIA BICYCLE,

Made by THE POPE M'F'G CO.,

89 Summer Street, Boston.

A practical road machine, easy to learn to ride, and when mastered one

can beat the best horse in a day's run over an ordinary road. Send 3c.

stamp for price list and 24-page catalogue with full informat'n.

* * * * *

[Illustration: Bradford Mill Company Cin. O.]

BRADFORD MILL CO.

Successors to Jas. Bradford & Co.,

MANUFACTURERS OF

FRENCH BUHR MILLSTONES,

PORTABLE CORN & FLOUR MILLS,

SMU MACHINES, ETC.

Also, dealers in Bolting Cloths and General Mill Furnishings.

Office & Factory, 158 W. 2d St.

CINCINNATI, O.

J. R. Stewart, _Pres._ W. R. Dunlap, _Sec._

[Symbol: Right index] PRICE LISTS SENT ON APPLICATION.

* * * * *

SECOND-HAND BOILERS AND MACHINERY FOR SALE.--Boilers from 30 to 70

horse power, 15-horse power portable Engine, one 60-inch Lathe, two

Upright Drills, Blowers, etc., etc. For prices, etc., address JAMES F.

MANN, Utica, N. Y.

* * * * *

WETHERILL & BROTHER,

PHILADELPHIA.

PURE WHITE LEAD

* * * * *

ROCK DRILLS.

NATIONAL DRILL AND COMPRESSOR CO.,

95 LIBERTY ST., NEW YORK.

AIR COMPRESSORS to be run by Steam, Water Power, or Belt.

* * * * *

[Illustration: Foot Power.]

Scientific American, Volume 40, No. 13, March 29, 1879 A Weekly Journal of Practical Information, Art, Science, Mechanics, Chemistry, and Manufactures · 第 154 / 162 题