Massachusetts Institute of Technology - Technique Yearbook (Cambridge, MA)

Page 11 text:

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uv D is for Davis, who strives in Course IV. Y TRADE MAR EONARD 84 ELLIS, VALVOLENE LUBRICATI G OILS. 1119 Broad Street, Boston, Mass. AL VOL!-Aff? L UERICA OILS are 7IZIZ7ZZfjFflCfZl7'8fi in fhe following grades, each grade hcwifrg .several gzmZz'!z'e.9, vczfyfng in price, accordzhg io Zhe crzzfie ai! zzscfl, and fha exiem' Z0 which Zhey have been 7'c?jTlZ6Lg afeeijfliereci. ' ' ' For use in the Valves and C linders of Steam Enffines QStationery, Locomotive and Va-lvoime Cylllqder Oils' Marinej, and for Pumping-Erirgines for 'Water-ivorhjs, are specially commended. i VaiVOill'lG ix!iaCi IlI'le In various ffrades, suitable for use on all kinds of lliachinery and Shafting D ' ' ' '- - . ' . f . 1 ' 1 1 1 - -1 Valvollne Whlte Loom OIIS' Eggigely free fiom acids, and as ne'1ry stain ess IS petro eum pioducts Lin he V3iVOill1e Splfldie White and Amber-colored, in heavy and light grades, will not gum or corrode. V3iVOill'l9 Sewing-Nlachime These Oils are perfect luhricantsg thoroughly clean in use. Valvoline Vvatch and Clock A leading firm manufacturing 'NVatches and Clocks pronounces it the ' best. Valvoune Axle XXE2'Ll'l'2ll'll.CCl superior to animal and Castor Oils. This Oil is sold in pint, quart, or gallon cans by the dozen, or at retail in great or small quantities. It has long been highly valued for its wearing quality, and for harnesses is superior to Neatsfoot. Being a pure product of petroleum, it is largely used as an external remedy for horses and other animals, and is an lillilflllldblf renzedy. , CAUTION. The acknowledged reputation of VALVOLINE OILS has prompted other parties offering inferior Oils to use the word Valvoline in making sales. The consumer is cautioned that the genuine Oil is always invoiced and branded Valvoline, and is not sold by us to Oil Dealers. OUR OILS ARE 'XVARRANTED AND SATISFACTION GUARANTEED. LEONARD 8c ELLIS, I49 BROAD STREET, BOSTON, MASS. iv To get all the honors, and just as much more.

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E is for Ely, the Illinois chap, l THOMPSO IMPROVED l DICATOR. Q3,l,,,,I,itfI,I,,g Ivrone TI-IAN 5,000 IN Use. M gil . 'ALL ,g:,,w,, Ella ,,. Imwnm . y Read the following testirnonials frorn Erninent Engineers who have used this Indicator. , CINCINNATI, O., March 8, 1890. Em' ' fm? AMERICAN STEAM GAUGE COMPANY, BosToN: I Gentlemen,-I have used Thom son Steam Engine Indicators for fifteen YCZITS,-III fact, ever since they were hrst introduced,-andphave at all times, and under all conditions of engine service, found them entirely reliable. In all my experience I have never had occasion to complain ofthe manner in which they performed, and if I were buying new,,indicators to-day I should buy the Thompson. I do not know that I can express my regard for these In- valuable instruments in any stronger language. Very respectfully, JOHN XV. HILL, C. E. CALUMET AND HECLA MINING CoMPANx', OFFICE or THE CONSULTING ENGINEEIQ, AMERICAN STEAM GAUGE Co., CARIBRIDEPORT, MASS., March 6, IS89. 36 Chardon St., Boston: Q , Gentlemen,-I have to say that after quite an extended use of the Thompson Indicator, I am persuaded that it IS a most ex- cellent instrurnent, and that my confidence in the same is proven by the orders from time to time sent your company. Yours truly, E. D. LEAVITT, LR., CONSULTING NGINEER. P SIBLEY COLLEGE, CORNELL UNIVERSITH', ITHACA, N. Y., March 12, ISS9. Gentlznzen,-It gives me great pleasure to say that the instruments sent us have proved to be of most excellent quality, and so far as our work has given opportunit to judge, of great accuracy. We have used them on all kinds of work, and at speeds of rotation up to three hundred, and have ildund them capable of doing admirably. The finish is excellent, and the sizes and its all that could be asked. The have been very useful both in class work and in making engine trials, and eminently satisfactory In all respects. We have hadyno diihculties with them except such as have come from inexperienced hands. YVhen used for instruc- tion an occasional accident is to be expected. They have withstood such injuries quite as well as we ought to expect, and have done more work and better work, even in such hands, than I had supposed possible. Very respectfully yours, R. H. TI-IURSTON, To AMERICAN STEAM GAUGE COMPA,NY. DIRECTOR. , Enw. P. ALLIS 8: Co., RELIANCE NVORKS, AMERICAN STEAM GAUGE Co., , MILXl'AUKEE, W'Is., March 14, ISS9. Boston Mass.: Genilelzzen,-I have used all the prominent makes of Indicators, but very much prefer the Thompson, and believe it has more good points and less faults than any other instrument made. The easy changing of springs, good leading pulley for the cord, general convenience in handling, and last, but certainly not least, its ability to stand abuse, are some ofthe features that commend it to the practical engineer. Yours truly, IRVING H. REYNOLDS., MANUFACTURED SOLELY BY MERICAN STEAM p AUGE Co., 36 Chaidon Street, Boston, Mass., SI JOHN STREET, NEW YORK. 69 SOUTH CLINTON STREET, CHICAGO. vi