35, CORN11ILL, E.G., AND 122, EEGENT STREET, W., LONDON. 207 



610 PRICES FOR 



E. BOURDON'S 

 OWN-MAKE STEAM AND VACUUM GAUGES. 



E. BOURDON , 



TEADE U -, MAEK. 



Gauges not bearing above Trade Mark are not of 

 M. Bourdon's Manufacture. 



Above prices are for all pressures up to 300 Ibs. per square inch. From 300 

 to 1,400 Ibs. pressure per square inch there will be an additional charge of 

 Two Shillings for every 100 Ibs. above 300 Ibs. 



Cocks for 5 in., 7 in., and 10 in. Gauges, for pressure above 300 Ibs. per square 

 inch, up to 1,400 Ibs. will be Twelve Shillings each. 



NEGRETTI & ZAMBRA, 



AGENTS, LONDON. 



