THE TRIUMPH NON-CONDUCTOR

weighs but 1½ lbs. to the square foot, and saves daily four pounds of

coal. (Asbestos saves but 2 lbs.) Price 15 cts.--5 cts. cash and 10

cts. after satisfactory trial. Agents wanted. For circulars showing

WHY fuel is wasted and HOW 25 to 50 per cent., can be saved; also, HOW

to construct reduction works for mineral ores of half the present

weight and cost, to do three times the work with the fuel now used,

and save 98 per cent. of assay; also, the opinions of distinguished

engineers, address B. F. SMITH, New Orleans, La.

* * * * *

PHOTO VISITING CARDS--Now all the rage in Paris. One dozen beautiful

gilt edged (round cornered) Cards with your name and photograph, only

60 cents; 2 dozen, $1. Full particulars and a 50-page book free. E.

NASON & CO., 111 Nassau St., New York.

* * * * *

"BELL" TELEPHONES. _Any_ one can make in fifteen minutes. Send three

3c. stamps for "Where to get the Parts, Prices (Total $3.60 per pair),

and how put together."

A. H. DAVIS, 30 Hanover St., Boston, Mass.

* * * * *

CATARRH. A SURE CURE. Samples by mail, 10c. GEO. N. STODDARD, Buffalo,

N. Y. It cures others. _It will cure you_. Sample will prove.

* * * * *

Scientific American, Volume 40, No. 13, March 29, 1879 A Weekly Journal of Practical Information, Art, Science, Mechanics, Chemistry, and Manufactures · 第 84 / 162 题