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



No. 



414 Fig. 289, discharging or medical electrometer, $ 2.00 



415 Fig. 290, Cuthbeitson's balance electrometer, 10.00 



416 Fig. 291, electrical battery, four jars, in case, 



quart, $6.50; four half gallon, $8; four 



gallon, - - 10.00 



417 Fig. 291, electrical battery, nine jars, quart, 



$15 ; half gallon, $18 ; gallon, - - 25.00 



418 Fig. 292, electrical battery, fifteen jars, quart 



$22.50 ; half gallon, $30 ; gallon, - - 40.00 



419 Fig. 293, Leyden jar with movable coatings, 2.00 



420 Fig. 293, " " with two sets of mova- 



ble coatings, - - 3.25 



421 Glass plate with movable coatings, - - 1.50 



422 Fig. 294, magic picture, - 1.75 



423 Fig. 295, sulphur cone, - 0.75 



424 Fig. 296, electrical bells, set of three bells, 2.00 



425 Fig. 297, " " " two " . 1.25 



426 Fig. 298, " " " five " 4.00 



427 Fig. 299, " " (French arrange- 



ment), - . - - - 4.00 



428 Fig. 300, electrical plates for dancing images, 1.25 



429 Fig. 301, " " with adjusting rod, 3.50 



430 Fig. 302, electrical pith balls, per dozen, - 0.25 



431 Fig. 303, glass cylinder with caps for danc- 



ing pith balls, 1.50 



432 Fig. 304, diverging threads, 0.25 



433 Fig. 305, head of hair, - 0.75 



434 Fig. 306, image of man or woman with long 



hair, - - 75 cts. and 1.00 



435 Tissue paper tassel, - 0.75 



436 Fig. 307, radiating feathers, 1.50 



437 Fig. 308, electrical swing - - 3.00 



438 Fig. 309, electrical see-saw, - - 3.00 



439 Fig. 310, electrical pendulum, - 2.50 



440 Fig. 311, electrical spider and jars, - 2.75 



441 Fig. 312, electrical jar, with ball from outside 



coating, and spider, 2.50 



442 Fig. 313, electrical flyers, 0.50 



443 Fig. 314, revolving horsemen on insulated 



stand, four horsemen, - 2.50 



444 Fig. 314, revolving horsemen on insulated 



stand, six horsemen, - - - 3.00 



