ILLUSTRATIONS. 



• No. of 

 figures. 



Tillman's chemical diagrams 9 



Tillman's chemical symbols 19 



Bradley's galvanometer measurements 2 



Cowing and Go's drive well pmnps 1 



Miller's boiler 2 



Edson's hygrodeik 1 



Orbit of a comet 1 



Combined juice filters 1 



Walling on molecular motions 10 



Harrison's boiler 3 



Boiler on bridges 7 



Hicks' boiler 2 



Quantity and intensity batteries 2 



HiU's battery 1 



Gutta percha pipe and wire covering machines 2 



Montgomery's metallic beam 2 



Total 65 



426-428 



429-431 

 449 

 562 

 564 

 622 

 715 

 760 



814-823 

 856 



896-897 

 911 

 924 

 929 

 942 

 970 



