This section is from "Scientific American Vol. XLIII. No. 25", by Munn & Co. Also available from Amazon: Scientific American Science Desk Reference.
In one large quarto volume of 480 pages, and illustrated with 150 wood-cuts and 36 full-page plates (20 of which are double). Bound in half crimson Morocco, gilt tops.
Price $15
D. VAN NOSTRAND. Publisher, 23 Murray and 27 Warren Sts., New York.
** Copies sent by mail, postpaid, on receipt of price.

Non-Conducting, Removable Covering,
as manufactured by Toope's Asbestos Covering Co., Limited, London, England. Awarded a Medal of Excellence at the late American Institute Fair. For steam Boilers and Pipes, Steam Pans and Coppers, Hot and Cold Water Pipes, Refrigerators, Meat Cars, etc. Samples free. A few first-class agents wanted. Address CHS. TOOPE, Sole Manufacturing Agent in U. S. Office and Works, 353 East 78th Street, New York City.
Agents Wanted Sells rapidly. Particulars free. | ![]() | S. M. Spencer, 112 Wash'n St., Boston, Mass. |
FOR SALE-LARGE MACHINE SHOP, WITH Machinery, Tools, Engine, etc., ready for running. Inquire of A. MONNETT & CO., Bucyrus, Ohio.
50 A Elegant, All New, Chromo & Scroll Cards, no 2 alike, Name Nicely printed, 10c. Card Mills, Morthford, Ct.

For Heavy Punches, Shears, Boiler Shop Rolls, Radial Drills, etc., send to
NO MORE USE FOR OIL ON MACHINERY |
Oline Lubricating Compound, manuf'd by HOLLAND & THOMPSON, Troy, N. Y. Avoids hot journals, dripping, and waste. Send for catalogue of Grease and Cups for all kinds of machinery.
For Reading Clubs, for Amateur Theatricals, Temperance Plays, Drawing Room Plays, Fairy Plays, Ethiopian Plays, Guide Books, Speakers, Pantomimes, Tableaux Lights, Magnesium Lights, Colored Fire, Burnt Cork, Theatrical Face Preparations, Jarley's Wax Works, Wigs, Beards, and Moustaches at reduced prices. Costumes, Scenery, Charades. New catalogues sent free containing full description and prices.
Samuel French & Son, 38 E. 14th Street, New York.
ICE AND ICE HOUSES - HOW TO MAKE ice ponds; amount of ice required, etc., and full directions for building ice-house, with illustrated plan. Contained in Scientific American Supplement, No. 55. Price 10 cents. To be had at this office and of all newsdealers.

Old Folks Tickled and Children Delighted
Mechanical grasshopper, jumps 6 feet high. Samples free for 10 cents, 4 for 25 cents, 1 doz. for 50cts. By mail. Big Profit to Dealers.
Agents Wanted.
Valuable Catalogue of Agents Goods free. Address, WORLD M'F'G, CO. 122 Nassau St., New York.
50 CHROMOS, name in new type, 10c. by mail. 40 Agts. Samples, 10c. U. S. Card Co., Northford, Ct.
WANTED, BY THE SOUTHWARK FOUNDRY AND MACHINE CO., Philadelphia, a number of first-class fitters on engine work.
ICE-HOUSE AND COLD ROOM. - BY R. G. Hatfield. With directions for construction. Four engravings. Contained in Scientific American Supplement, 59. Price 10 cents. To be had at this office and of all newsdealers.
at a bargain. Cylinder, 4-1/2 in. diameter, 5 in. stroke. For particulars, address JAMES T. MILLER, 119 Monroe St., Chicago, Ill.

Langdon Mitre Box Co, MILLERS FALLS MASS.
Langdon and New Langdon Mitre Box.
Send for Circular.
SCIENTIFIC AMERICAN SUPPLEMENT. Any desired back number of the Scientific American Supplement can be had at this office for 10 cents. Also to be had of newsdealers in all parts of the country.
By J. P. Putnam, Architect. One vol. 12mo. Price $2.
With 269 illustrations of famous fireplaces of historical and artistic interest, together with original designs and suggestions for modern use.
** For sale by all Booksellers, or will be sent, postpaid, on receipt of price, by the Publishers,
GREAT IMPROVEMENTS
Recently made in
GOLD and SILVER ORES, BONES, PHOSPHATE ROCK, and CHEMICALS. We compel QUARTZ to grind QUARTZ.
Address, for new circular, BAUGH & SONS, Philadelphia, Pa.

BEST FOOT LATHES,
Back geared and screw cutting. Small Lathes, Hand Planers for Metal, Small Gear cutters, Slide Rests, Scroll and Circular Saw Machines. Lowest Prices. Send for illustrated catalogue.
N. H. BALDWIN, Laconia, N. H.
A skilled mechanic, capable of constructing and operating a works for the manufacture of wrought iron pipe and tubing. Address
DUNMOYLE, Lock Box 1459, Pittsburg, Pa.
"New and Improved Patterns."
VOLNEY W. MASON & CO., Providence, R. I., U. S. A.
A thoroughly competent and experienced man to take charge of a foundry employing 200 men, doing engine and general work. Address A. & Co., Box 773, New York.

This Trap is adapted to all places where steam is used for heating or drying purposes. It is simple in construction, positive in its working and much lower in price than any other Trap.
Descriptive Circular sent on application. Address SALAMANDER GRATE BAR CO, 110 Liberty Street, New York.
 
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