45, CORNHILL, E.G., AND 122, REGENT STREET, W., LONDON. 



355 



FIG. 1759. 



1759 Improved form 'of Three-Wick Russian Iron Paraffin Lantern, with 4-inch 

 Condensers, Achromatic front Lens, with Back .vork adjustment, in Box 

 (fig. 1759) . . . 4 10 



FIG. 1760. 



1760 Ditto ditto fitted with Polished Mahogany Body, 4-inch 



Condensers, Achromatic front Lens, &c., &c., (fig. 1769) . . 5 10 



2 A2 



