Arth. Burkhardt, Glashtltte, Saxony. 



15 



No. 2754. 



Arth. Burkhardt, Glashiitte, Saxony. 



Civil Engineer. 

 First German Calculating Machine Works. 



Established in 1878. 



Silver Medal IX. Cincinnati Exhibition 1881. 



Calculating machine with latest improvements and supplementary 

 types awarded several national prizes, gold and silver medals at home 

 and abroad, - - for addition , subtraction , multiplication , division 

 and calculation of powers, cubes and roots. 



Absolute exactness and no mental fatigue! 



Three sizes in most exact and elegant construction. 



Size 1 



factor N of 7 figures : Product M of 



Size 2 

 Size 3 



Factor of 6 figures 

 12 figures. 



Factor, O of 8 figures X factor N of 9 figures: Product M of 



16 figures. 



Factor of 10 figures X factor N of 1 1 figures : Product M of 



20 figures. 



More than 500 machines have been supplied to all parts of the 

 world and given full satisfaction. 



100 machines are being used in the principal offices of the U. S. A. 



Representatives in the U. S. A.: 



Keuffel & Esser Co., New York and Chicago. 



