‘By Royal: Letters Patent. 
WwWEEKS’S PATENT 
Duplex Compensating Upright Tubular Boiler 
For Heating Conservatories, Vineries, Greenhouses, Churches, Chapels, 
Schools, Billiard Rooms, Warehouses, &c., j 
‘Offers advantages totally unheard of,and unapproached by any of its contemporaries 
THE ONLY INDESTRUCTIBLE BOILER. 
(FS —\aand 
A AND 
REAL SOURCE. 
BOON OF 
ee PROFIT 
GARDENERS 
UPWARDS OF 3 000 IN OPERATION. 
“SUVJA NAL YO4 ATIVNOILIQNOD O33.NVUVND 
———s = 
Conservator Houses, and all garden structures 
of BEST WORKMANSHIP & MATERIALS ONLY. . 
For full particulars and Lithographs of Boilers, also rs5th ENLARGED EDITION} 4 
of Illustrated Catalogue and particulars of their new Hydro-Caloric Warming ati 
Ventilating Apparatus, post free, apply to— “s 
J. WEEEKS & CO.,* 
Horticultural Builders and Hot-Water Apparatus Manufacturers, 
° KING’S ROAD, CHELSEA, S.W. 
