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Banking by mail was originated by the Peoples Savings Bank, Pittsburgh, Pa.,-the Bank that pays 4%. The system is safe and practical and has been adopted by hundreds of banks and trust companies in various parts of the country. It was designed and introduced to benefit thrifty men and women in all parts of the world who have money to saveand who desire safety for their savings combined with a fair and reasonable interest return. The Peoples Savings Bank was founded in 1866. It has the largest capital and surplus of any savings bank in the world; and is to-day not only known and recognized in all parts of the world as the leader in Banking by Mail, but it is unsurpassed in its splendid equipment and facilities. It accepts deposits in any amount from $1 upward and pays interest at the rate of 4% compounded twice a year.

Capital $1,000,000
Surplus $1,000,000

Our handsomely illustrated calendar for 1906 together with booklet "T" will be sent free upon request.

FEOPLES SAVINGS BANK

PITTSBURGH, PA.

THEN AUDE ECO

THED AUDI & Co

ROGERS

AND

DRAWING DESIGN SELE

FOR

INSTRUCTION.

$7

$1 Monthly

Each volume is complete in itself and may be obtained separately.

LIST

1. Rogers' "Drawing and Design,"

2. Rogers' "Progressive Machinist," 3. Rogers' "Advanced Machinist,"

READ CAREFULLY

$3.00 $2.00 $2.00

The books composing the library are intended to be: educational, and progressing from the simple to the more complex subjects; plain books for those already engaged, or soon to be, in the practical application of the theory of mechanics; each volume is complete in itself, while progressive in the series. The books are each supplied with a ready reference index, which enables the quick use of their contents.

The volumes are strongly and handsomely bound in black cloth, with titles and edges in gold; they contain 1,204 pages, 1,244 illustrations, many of which are full pages, with 3,000 ready references; they are printed on fine surface paper with large, clear type. Each book stands 81⁄2 inches in height, and the three, packed for shipment, weigh over 7% lbs. No works of equal value have ever been offered to the machinists' and allied trades, and no one, from the superintendent and owner to the apprentice, can afford considering the price and terms, to be without them.

CATALOGUE
OGUE CHEMICAL TECHNOLOGY
AND GENERAL CHEMISTRY

PUBLISHED AUGUST 15, 1905

Our Complete Classified Catalogue of Books on Chemical Technology and General Chemistry arranged under the following heads: Acids, Alkalies, and Salts; Beverages, Brewing, Cider, Distillation, Fermentation, Liquors, Preserving, Vinegar, Wine; Brick, Ceramics, Glass, Porcelain, Pottery; Cement and Concrete; India Rubber, Gutta Percha, Glue, Ink; Leather Manufacture; Oils, Fats, Waxes, Paints and Varnishes; Paper Manufacture, Fibres; Perfumery; Soap and Candles; Sugar, Starch; Flour, Baking, Bread, Confectionery; General Reference and Receipt Books. General Chemistry, Chemical Arithmetic, Calculation, Tables, etc.; Chemical Analysis; Inorganic Chemistry; Organic Chemistry: Electro-Chemistry; Addenda; sent free to anyone in any part of the world who will send his address. HENRY CAREY BAIRD @ Co. Industrial Publishers, Booksellers and Importers, 810 Walnut St. Philadelphia, Pa., V. S. A.

::

PERSONAL AND MISCELLANEOUS (Continued)

pounds, making a total of only 60 pounds for the complete machine.

A very good practice in connection with the building of these machines is that the makers keep an engine running continually at the factory in order that any weak points which may develop can be remedied. The cylinders of the 3-horse-power machines have a 3-inch bore, a 31⁄2-inch stroke, and they run at a speed of 2,000 revolutions per minute.

Home-Made Sawing Machine

I BUILT this saw to cut a year's supply of wood when I found that running a bucksaw was not easy work. I made the

If You Are in Earnest in the study of Engl

neering you want practical, clear, and reliable books on the subject. Spangenberg's Steam and Electrical Engineering exactly answers your purpose. Written by practical engineers, and written so you can understand it. Price, 83.50. See coupon below.

The Beginner to his questions relating to first princi

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ples, and these he finds in Spangenberg's 157 questions and answers relating to steam engineering, a 192 page book intended for beginners only. Price, 75 cents. See coupon below.

To the boy or man whose ignorance of Arithmetic, from whatever cause, prevents his advancement, Spangenberg's Practical Arithmetic, Self-Tanght, supplies in easily understood form the instruction he has previously missed. With no other teacher the learner is fitted to make the calculations and solve the prob. lems required in industrial pursuits and trades. Price, 60 cents. See coupon below.

SPECIAL OFFER The above three books sent postpaid on receipt of 84.00, or in accordance with agreement set forth on coupon below. If the books are not perfectly satisfactory return them within ten days and get your money back.

COUPON. Cut out and mail to-day. GEO. A. ZELLER BOOK Co., 9 S. Fourth St., St. Louis, Mo.

I accept your offer to send me, express prepaid, the above three books, price 84 50, and enclose 82.50 as first payment. The balance, 82.00, I agree to remit in 50 cent monthly installments, money, express order, or stamps.

Name

Street or Box No.

City and State

HOME-MADE POWER SAW.

frame of good hardwood, and had a blacksmith make the brace rods, and bought a II-16-in. steel shaft, 4 feet long, for $1. I had a machinist turn it down, and put on collar for saw belt, and also cut threads for a nut to attach saw. This cost $2.50. From an old thresher-man I secured a pair of boxes, and also 16 feet of old belting; and out of a junk pile took a 6-in. pulley for the belt, at a total cost of $5.50.

I bought a 30-in. saw for $8.50, and when complete I ran the saw with an old eight horse-power, which cost $25. I then took a partner, and we got 75 cents per hour for cutting wood. I cut my own supply in a short while, and later was able to cut considerable wood for my neighbors.-A THRIFTY FARMER.

Improved Regrinding Valves THE Lunkenheimer Company, makers of engineering specialties, have adopted

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PERSONAL AND MISCELLANEOUS (Continued)

a number of changes in their regrinding valves, which, however, are not radical, as this type of valve has been in use for half a century and has proved itself to be of satisfactory design. In the new design, the weight of the valve has been increased, not because the thickness of the belt was too light, but as an additional precaution against rough handling; and the shape has also been altered, to improve its appearance, and this increases the area through the valve passage. The pipe threads have been made considerably longer, to insure stronger joints between the pipe and the valve; and all sizes of these valves are now provided with lock

nuts on the hand wheels, which facilitate the taking apart and the assembling of the valve for repairs. An important feature of these valves is that, beside their design, which permits of considerable regrinding, they can be packed under pressure when open or closed.

Self-Packing Radiator Valves THE accompanying illustration shows a new type of valve recently brought out by the Crane Company, which contains some novel features. By a special device placed in the stuffing boxes of these valves, the packing is automatically kept tight; and it will last for years without renewal.

This device consists of a vulcanized

washer located in the top of the stuffing box, and held in position by a compression spring which compensates for the wear on the washer. This construction precludes the possibility of the valves