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



307 



FIG 2170. FIGS. 2168, 



2171, 2167*, 2165, 2167 2166 2169, 2167* 



2156 



2157 



2158 

 2159 

 2160 

 2161 

 2162 



2163 



2164 

 2165 

 2166 

 2167* 



2168 

 2169 



2170 



2171 

 2172 



2173 

 2174 

 2175 



2176 

 2177 



2178 

 2179 



Balances and Scales with Weights, for Commercial, rough Laboratory, or 



counter use, see pages 405, 408. 

 Balloons, for inflation with Hydrogen or Coal Gas : 



Diameter . 9-in. 10-in. 12-in. 16-in. 18-in. 20-in. 36-in. 



Price . Is. 6d. 2s. 6d. 3s. 6d. 4s. 6d. 5s. 6d. 8s. 6d. 36s. 



Each. 

 s. d. 



Balloons, oval shape, 3-ft. high and 2-ft. diameter 

 Balloons, fish shape, 15-in. and 30-in. long . 



Bladders, mounted with Ferrules 



Ditto ditto and Stop-Cock 076 



Bar Compound, for showing the unequal expansion of 



metals by heat ...!*.'. 

 Bars of Antimony, Bismuth, Copper, Iron, Lead, Tin, 



and Zinc, for precipitating metals from solution, from 



Blowpipes, common Brass 010 



Ditto, Black's (fig. 2165) 010 



Ditto, Bergman's improved (fig. 2166) with two jets . 

 Blowpipes, various patterns : Berzelius' (fig. 2167) ; 



Pepy's (fig. 2167*) with movable Jet, for use at any 



angle ; or Wollaston's Pocket form 2167* . . from 16 

 Blowpipe, Hemming's Safety, Oxy-Hydrogen (fig. 2168) 

 Blowpipe, Oxy-Hydrogen, complete with Lime-Holder, 



Stopcocks, &c., (fig. 2169) 



Blowpipes, Spirit, Self-acting, for bending glass tubes, 



strong Tin (fig.2170) * 



Ditto ditto, Copper Ball (fig. 2171) .... 

 Blowpipe, Self-acting, Gas and Steam, very convenient 



and powerful for small solderings, brazings, or 



fusions .......... 



Blowpipes, Spirit, or Russian Furnace .... 



Ditto ditto, with ring and support .... 



Blowpipe, Tilley's Water Pressure, with jets, &c., 



complete, in japanned tin ...... 



Bruner's Aspirator, Japanned Tin or Zinc (see fig. 78* 



page 72). See also Water Bottles 

 Glass Blower's Table, with best double-action bellows, 



jointed motion to jet-holder, and two jets (fig. 2177) . 

 Glass Blower's Lamps (figs. 2178 and 2178) 

 Spirit Lamps, of glass (fig 2179) .... 



Each. 

 s. d. 



110 

 18 6 

 036 

 10 6 



050 12 6 



004 

 016 



020 

 076 



12 6 



12 6 



2 10 



10 6 



15 



220 



15 

 110 



1 12 6 

 150 



330 

 050 

 036 



