45, COENHILL, E.G., AND 122, EEGENT STREET 



W., LONDON. 363 



(Pages of Lantern Manual, 19 to 93.) 



Each. 

 s. d. 



1775 Oxy-Calcium Spirit Lamp' . . . (page 24) 



1776 Oxy-Calcium safety Gas or Blow-through Jet ( 31) 



1777 Oxy-Hydrogen Burner with Platinum Jets . ( 32) 



1778 Oxygen Retort , . ( 24) 



1779 Ditto ditto Stout Copper, with Cap and Flexible 



Tube 



1780 Hydrogen Generator, Stout Lead (page of Book 34) 



1781 Zinc Purifier .... Do. do. .. 



1782 Copper ditto, Stout 



1783 *Gas Bags for Oxy-Calcium Light . . (page 42) 



1784 *Ditto ditto Large and Stout, for Oxy-Hydrogen 



Light (fig. 1784) (page 42) 



1785 Pressure Board (fig. 1785) .... (page 29) 



1786 Flexible Tube i-in. inside (page 38) . . per foot 



1787 Barker's Safety Valves for Oxy-Hydrogen Light, each 



1788 Cog Wheel Lime Adjuster (registered) to Nos. 



1789 Mahogany Slide Holders for Photographic Lantern 



Yiews perdoz. 



1790 Improved Oxydating Lamp Glasses . . per doz. 



1791 Opaque Screens of Oil Cloth, from 3 to 9 yards square, made to order. 



1792 Transparent Screens of all sizes, (page 63). 



8-ft. square, 21s , 10-ft. square, 25s., 12-ft. square, 

 35s., 20-ft. feet square, 105s. 



Each. 

 s. 



15 



1 5 



2 

 15 



1 1 

 13 



7 

 12 



2 15 



150 



3 

 1 

 

 

 4s. each extra. 



FIG. 1793. 



FIG. 1793.* 



Portable Frames for Screens, in Box (figs. 1793 and 



1793*) 42s. 2 10 



Oxygen Gas Mixture, variable . . . per Ib. 



Best Lime Cylinders for Oxy-Calcium Light per bot. 036 



Ditto ditto for Oxy-Hydrogen Light . . .050 



Magnesium Wire per foot 



026 



1793 



1794 

 1795 

 1796 

 1797 

 1798^ Glass Water Trough 



All the Accessories and Scientific Apyarati 

 figured in the Lantern Manual, supplied to order. 



' for use nith the Lantern as described and 



OXY-HYDROGEN MICROSCOPES AND POLARISCOPES. 

 (See No. 1095, page 282.) 



