ADVERTISEMENTS. 



111. 



WATCHES for ENGINEERS. 



"The Mechanical Engineer' 



NON=MAGNETIC 



Keyless 

 Lever 



CHRONOGRAPH. 



As supplied to H.M. Government. 



In Black 

 Oxydised Case. 



3 



In Solid 

 Silver Case. 



10 10s. 



In Solid ;8-ct. 

 Gold Case. 



Ron- magnetic. 

 Cbronoarapl) .fiction. 

 Fipback Instantaneous. 

 Super finished. 

 Full Jewelled. 

 Sound timekeeper. 



A Single Watch at Wholesale Price. 



SCORES OF UNSOLICITED TESTIMONIALS. 



WBITE FOR DESCRIPTIVE CIRCULAR FREK. 



Scientific publishing Co., 



