ADYERTISEMENTS. 



NEW PATENT UNDERFLUED 



SADDLE 



BOILER. 



ANDREW McLaren & Co. 



Respectfully invite the attention of those erecting Hot Water 

 Apparatuses to the above Boiler, which, for its economy, simplicity, 

 and effectiveness, stands without equaL 



3KrCL> 



■^*i^,^£^^^cpi:^ o:i^^^;^'CpG* 



FURNACE AND FLUES WITHIN BOILER. 



THE FULL BENEFIT OF WATER BARS WITHOUT THEIR 



DEFECTS, 



No heat thrown away on Brickwork by outside flues. 



The Heat in descending is kept continually acting on water 

 colder than itself, and the flue only leaves the Boiler at the bottom 



when no hotter than the return water entering it. 



- UPON NO OTHER PRINCIPLE IS THIS RESULT POSSIBLE. 



174, TIPPER THllES ST., LOUDOI, E.G. 



And ALLOA, N.B. 



q2 



