30 



THE IRRIGATION AGE. 



Myers Power Pumps 



"Without an equal on 

 the Globe" 



Full information in regard to our 

 varied line on application 



Adapted especially for gas engines, 

 motor and belt powers, in harmony 

 with present requirements. 



FIG. 813. 



No. 359. Bulldozer Working Head, 5, 1% and 



10-inch stroke. 

 No. 361. Bulldozer Working Head, 12, 16 and 



20-inch stroke. 



FIG 800. 



Bulldozer Power Pump, sizes 3, 4, 5 and 

 6-iuch cylinders, stroke ranging from 5 to 

 20-inch. 



F. E- Myers * Bro., Ashland, o., u. s. A, 



FIGURES NEVER LIE 



IF NO 



MISTAKES ARE MADE. 



No Errors In 



ROPP'S 



Commercial 



CALCILATOB, 



Sayes Labor, Time, Money. 



It Bhows at a glance, the correct Cost of 

 Grain, Stock. Cotton, Hay, Coal, Lumber, 

 Iron and all kinds of Merchandise, In any 

 quantity, at market prices. Also the exact 

 Interest on any sum, for any time, at all 

 practical ratesr Wages by the Month, Week 

 or Day; Profit and Loss In merchandising; 

 Exchange. Freight, Kent, etc., are all accu- 

 rately computed. Likewise the true measure- 

 ments of Lumber, Logs, Cisterns, Tanks, 

 Granaries, Bins, Corn-cribs, Cordwood, and 

 Carpenters, Plasterers and Bricklayers work. 



Besides nearly a million Ready Calcula- 

 tions, all the Rules in Arithmetic are concise- 

 ly and clearly stated, and Its principles in- 

 tetligently explained and practically applied. 

 The operations are wonderfully shortened 

 and simplified by numerous Short-cut* and 

 Original Methods, which will, by a little 

 effort, enable anyone to become a Sure and 

 Rapid Calculator a stepping stone to higher 

 positions and a successful business career. . 



It Is by far the most useful, complete and 

 practical work on Figures ever published 

 especially for Dally use and Reference, and 

 will prove a boon to thousands who are not 

 fully versed in all the Rules, Short-cuts and 

 Up-to-date methods of this great and useful 

 science. It Is neatly bound In pocket size, 

 wub silicate slate, memorandum. oockt- etc. 



In art cloth, round corners, 

 red edges, 50 cents, or we 

 will send you the Calculator, 

 postage paid, if you will send 

 us one new subscriber or 

 send renewal of your sub- 

 scription for another year. 



THE IRRIGATION AGE 



\ \2 Dearborn Street, # CHICAGO 



