4 CATALOGUE OF PHILOSOPHICAL APPARATUS. 



CABINET IX. HEAT. 



(Upper Compartment.) 

 SHELF i. Papin's digester. 



Differential thermometers. 



Brass globe, to illustrate the pressure of steam. 

 SHELF 2. Hygrometers : Saussure's, DanielFs^ Mason's, Council's. 

 SHELF 3. Breguet's thermometer. 



Air thermometer. 



Flask and tube, showing the expansion of water under 40. 



Apparatus for showing the relative conductibility of solids. 



(Lower Compartment.) 

 Various rude articles of apparatus, to illustrate the phenomena of heat. 



CABINET X. INORGANIC CHEMISTRY. 



(Upper Compartment.) 

 SHELF i. ATTRACTION, models of crystals. 



Solutions of Glauber salt for crystallizing. 

 SHELF 2. ATMOSPHERIC AIR. 



Globe for burning phosphorus in oxygen. 



Papers for testing for ozone, and apparatus for preparing it. 

 SHELF 3. HYDROGEN, apparatus for showing Drummond's light. 



Spirit lamp and platina coil. 

 SHELF 4. Two Dobereiner's lamps. 



One Cavendish apparatus for exploding gases. 



One bottle for exploding hydrogen and oxygen. 



Diffusion apparatus, two kinds. 



(Lower Compartment.) 



Brewster's apparatus for obtaining homogeneous light. 

 Various other articles connected with the preceding subjects. 



CABINET XL INORGANIC CHEMISTRY. 



(Upper Compartment.) 

 SHELF I. NITROGEN. 



Gun cotton. Nitrous acid. Indigo. 

 SHELF 2. CARBON WITH NITROGEN. 



Hydrocyanic acid and tests for ditto. 



