636 



AMERICAN BEE JOURNAL. 



FIGURES NEVER LIE, BUT MEN WILL MAKE MISTAKES. 



ROPP'S 



Commercial Calculator 



No. 1. 



-WILI.- 



No.8. 



PREVENT MISTAKES, 



RELIEVE THE MIND, 



SAVE 



Labor, Time # Money, 



DO YOUR RECKONING 

 In the TWINKLING of an 



A READY CALCULATOR, BUSINESS ARITHMETIC and ACCOUNT-BOOK Combined. 



No farmer, mechanic or business-man can afford to be without this unique and 

 ■wonderful work in this age of steam and electricity. It will show, at a glance, and 

 ■without the use of pencil, pen or paper, the accurate " Answer " to almost every 

 conceivable Calculation that is likely to occur on the farm, in the factory, in the 

 shop or in the office. 



By a new system of "Commercial Tables," the correct Value of all kinds of 

 Grain, Stock, Hay. Coal, Lumber, Cotton, Merchandise, etc., is instantly found, at 

 any price, and for any quantity. Also the exact Interest on any sum, for any 

 time, at any rate per cent. Like^wise the "Per cent of Gain or Loss" in buying-, 

 marking" and selling- Goods. Tables of Wages, Exchange, Discount, Board, Rent, 

 etc.. Tables showing the contents of Lumber, Logs, Cisterns, Tanks, Bins, "Wagon- 

 beds, Corn-cribs, Cordw^ood, and Carpenters', Plasterers' and Bricklayers' "work. 



Besides its useful and convenient Tables, it also gives every Rule in Arithme- 

 tic, so clearly and concisely stated, and made so plain by new and simple methods 

 and practical problems, that any one of ordinary ability, can easily and quickly 

 master and mttnorizf. its Principles without a teacher; and thus become proficient 

 in Figures and a rapid Calculator — indispensable qualifications to a successful 

 business career. 



It is neatly printed on fine paper, and elegantly bound in " Pocket-booJj " form. Nos. 2, 3 and 5, each 

 contains a silicate Slate and apractUal "Acconnt-book," which has self-instructing "Formnlas" for recording 

 Receipts, Expenditures, Purchases, Sales, etc. In fact, all about " Book-keeping " that is needed by the people. 

 It will commend itself to every thoughtful and progressive mind, tor its originality, simplicity and usefulness. 



Hundreds of testimonials like the following have been received: "A new publication that must prove of incalculable benefit 

 to the coiumercini world— unless the book itself can calculate its own worth — for it calculat:<s almost everything." — Chicago Times, 



No. 1, Bound in Waterproof Leatherette, calf finish, beautifully embellished, $ .50 

 No. /}, In fine. Artificial L.eather, with Pocket, Silicate Slate, and Account-book, 1.00 



CLUB WITH THIS JOURNAL. 



We will send Ropp's Calculator, No. 1, by mail, and credit a year's subscription to the 

 Bee Journal, for SI. 35. 



Or, we will mail the No. 2 Calculator, and give credit for the Bee Journal for one 

 year for $1.75. 



THOMAS' G-. NEWMAN & SON, 



199 Randolph Street, 



CHICAGO. IJ^L.IJ\'OIS* 



