426 



FEGBETTI AND ZAMBBA, HOLBOBN VIADUCT, E.G., 



FIG. 2423. 



FIG. 2426. 



FIG. 2430. 



Ench. 

 s. d. 



2485 Insulating Table Stand (fig. 2430), for supporting and insulating 



Electrical apparatus, 14-inches adjustment 076 



Ditto ditto Best make with heavy base . . , . . 10 6 



2486 Faraday's Butterfly Net, with Glass handle and Insulating Stand 



(fig. 2486) 086 



2487 Wire Gauze Cylinder (fig. 2487), on Insulating Stand, with hollow 



ball for exhibiting that electricity is distributed only upon the 

 surface of conductors similar to Biot's Experiment. No. 2404, 

 page 416 price 12 6 



2488 Electrical Conductors, a set of three forms, consisting of a Sphere, 



Cone, and Cylinder of wood, covered with Tin Foil, and mounted 

 upon Insulating stands (figs. 2488, 2488, 2489.) 



2489 Elipsoidal Conductor, is for showing the unequal distribution 



of Electricity (fig. 2489) price 1 10 



2490 The three Conductors can be supplied with one Insulating Stand . 18 6 



Most of the Electrical Apparatus catalogued in this section will be found fully 

 described in Noad's Lectures on Electricity, Noad's Student's Text Book, Ganot's 

 Physics, translated by Atkinson, and Tyndall's Lessons in Electricity. 



FIG. 2488. FIG. 2489. 



FIG. 2488*. 



FIG. 2-486. 



FIG. 2487. 



