L' ' l / a'E GRAND SQUARE and UPRIGHT, +PIANO + FORTES.- FIFTY YEARS BEFORE THE PUBLIC. Upon their excellonne alone have attained an UNPITR CHASED PEE-EMINENCE, which establishes them as unequalled in TONE, WORKMANSHIP, TOUCH & DURABIITY. 112 Filth Avenue, Now York. WAnsnooms :{Nos. 22 and 24 East Baltimore Street, Baltimore,Md No. 817 Market Space, Washington, I). O. Heiler city Brightly, --p—Surveying Instrument Manufacturers,--:-. Ridge Ave. and Spring Garden St., Phila., Pa. 011.111 fi Heller & Brightly's Instr 1111 l onto are 'T - 1 exclusively used for purposes of In struction at _ - 0 4 . ° 7'4-.7 b I "-c g. Columbia College (School of Mines ) Massachusetts College of Technology. Sheffield Sal. School of Yale College. Western University of Penna. Fisk University. Oregon Slate University. California State University. Dartmouth College. Maine Stale College. Tito Pennsylvania State College. P4.° ' 411, N - 1 s7v4o. TRAUTWINE'S * POCKET-BOOK. "Without doubt it has proved itself to be the most useful handbook in the language, for the engineering proles• sion."—Engineering and Mining Jour nal, August 25th, 1888. JOHN WILEY & SONS, F. &F. N. SPON, NEW YORK. LONDON. ePENCERIAN UTEEL PENS Are the Best IN THE ESSENTIAL QUALITIES 01? Durability, Evenness of Point, and Workmanship. Samples for trial of 12 different styles by well, on receipt of 10 cents In stamps. Ask for curd No. 8. IVISON, BLAKEMAN & CO.; 7511,r7iCacP'' SEMENTS. ADVERT BROCKERHOFF HOUSE, GEO. B. BRANDON, C LOT H I N -AT THE a Rochester Watkins House. - YOU WILT, FIND AN ELEGANT LINK OP MEN'S, BOYS' & CHILDRENS' CLOTHING At prices lower than the lowest, Also a good line of Hats, Caps & Gents' Furnishing Goods. ALLEGHENY STREET, ateynold's New Bunk Building,) M. FA U BLE P'ormerlywlth 8. &A. Loeb. ESTABLISHED iBl 5 . HORSTMANN BRO, & CO., GYMNASIUM AND BOATING GOODS. Fencing Foils, Swords, Gloves, Gauntlets, Masks, Shoes, Jackets and Boxing Gloves. Boating Hosiery of all kinds, Shirts, Pants, Hose and Caps. Polo, Foot-Ball and Bicycle Jerseys. Sir Sena for Illustrated Catalogue. S° GILLO Zfeef GOLD MEDAL, PARIS, 11378. Hie Cekbrated Numbers, 303-404 I 70-604-332 p and ids other Wee may be had of all dealers throughout the world. Joseph Mott & Sons, New York. HELLEPONTE, PA. PROPRIETOR. Fifth and Cherry Streets, PHILADELPHIA.