CHEMISTRY. 



29 



658 Fig. 476, silver conductor for the eye, ear, 



mouth, with binding screw to connect wire, $ 0.50 



659 Fig. 477, inclosed magnetic machine for shocks, 6.00 



660 Fig. 478, magneto-electric machine by large 



magnet, - 50.00 



661 Fig. 479, ditto, by large five bar magnet, $25 to 40.11 



662 Fig. 480, magneto-electric machine, by large 



magnet motion, by toothed wheels, in ma- 

 hogany box, - - 32.00 



663 Magneto-electric machine, by Winch, in ma- 



hogany box, - 25.00 



CHEMISTRY. 



664 Fig. 581, bell-glass receivers, plain, 1 gallon, $ 



gallon, 

 quart, - ., 

 pint, - 

 pint, - 



gH. 

 llon, 



665 Bell glass receivers, stoppered, 1 gall 



\ gallon, 

 quart, 

 pint, 

 i pint, 



gill. 



666 Fig. 482, glass flasks, 8 cts. to 



667 Fig. 483, matrass or bolt head, quart, ''' 



" " pint, 



i pint, 

 gill, 



668 Fig. 484, retorts in glass, plain, of white or 



green glass, - gill, 



ipint, 

 pint, 

 ' " quart, 



1.00 

 0.75 

 0.50 

 0.40 

 0.30 

 0.25 

 1.25 

 1.00 

 0.75 

 0.50 

 0.40 

 0.30 

 0.38 

 0.50 

 0.38 

 0.31 

 0.25 



0.25 

 0.31 

 0.38 

 0.50 



