18 BENJ. PIKE'S, JR., PRICE CATALOGUE. 



ELECTRICAL MACHINES AND APPARATUS. 



No. 



390 Fig. 266, Pike's improved plate electrical ma- 



chines with highly finished brass conductor, 

 insulated on four glass pillars having four 

 rubbers, and two sets of points for collect- 

 ing the fluid, mounted on elegant maho- 

 gany or rosewood frames, 



Price, with mahogany frame, 24 in. plate, $ 75.00 



27 in. " 85.00 



30 in. " 110.00 



36 in. " 130.00 



" " " " 40 in. " 165.00 



44 in. " 200.00 



" " rosewood frame, 24 in. " 85.00 



" " " " 27 in. " 95.00 



" " " " 30 in. " 120.00 



" " " " 36 in. " 140.00 



" " " " 40 in. " 180.00 



" " " " 44 in. " 220.00 



391 Fig. 267, Pike's improved plate electrical 



machine, with vertical conductor supported 

 on two glass pillars, with polished mahoga- 

 ny frame. Plate, 13 inches diameter, 25.00 

 " 16 " " 30.00 

 " 20 " " 38.00 



392 Fig. 268, Cuthbertson's plate electrical ma- 



chine, nine inch plate, $7 ; twelve inch 



plate, $25 ; sixteen inch, $30 ; twenty inch 38.00 



393 Fig. 269, plate glass electrical machine 



(French plan), twenty inch plate, - - 50.00 



394 Fig. 270, plate glass electrical machine, with 



positive and negative conductor, brass 

 mounted and highly finished. 



Plate, 16 inches diameter, $20 and 25.00 



20 " " $34 and 38.00 



" 24 " " 50.00 



" 30 " " 100.00 



11 36 " " 140.00 



" 42 " " 200.00 



