An essay on electricity. Explaining the theory and practice of that useful science, and the mode of applying it to medical purposes : with an essay on magnetism / by George Adams.

  • Adams, George, 1750-1795.
Date:
1785
Catalogue details

Licence: Public Domain Mark

Credit: An essay on electricity. Explaining the theory and practice of that useful science, and the mode of applying it to medical purposes : with an essay on magnetism / by George Adams. Source: Wellcome Collection.

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    Wilfon’s microfcope, improved Adams’s lucernal microicope for opake and tranfparent objedls, being the mollperfeft inllrument of the kind hitherto contrived, affording more entertainment andinflruc- tion than any other inflrument Solar microfcopes - Ditto for opake obie£ls Ditto - Camera obfcuras, from 12s. to Glafs prifms, from 7s. 6d. to Magic lanthorns 2126 2100 5 5 0 16 16 o 21 00 7 7 o 220 1 5 0 Geographical and Agronomical Inflruments, Adams’ new eighteen inch globes mounted in the mod approved forni, from 9I. 9s. to 27 o Ditto in the Ptolemaic or common manner 6 6 Ditto, twelve inches in diameter, mounted in the bell manner, from 5I. 5s. to 6 16 Ditto in the common manner - 3 3 An armillary dialling fphere - - 40 o Manual orreries, from il. is. to 3 13 Planetarium, tellurian, and lunarium 31 10 Adams’s improved equatorial dial, or port- able obfervatory, from 71. 17s 6d. to 31 10 Horizontal fun dials, from 5s. to - 12 12 Univerfal ring dials, from 7s. 6d. to 3 3 Tranfit inflruments Agronomical quadrants, from 50I. to 800 o o o 6 o o 6 o o o o o Mathematical and Surveying Inflruments. Cafes of drawing inflruments, from 7s, 6d. to 35 o o Neat magazine cafes of inflruments ■* 11 11 o Eliptical compaffes - - 4 4° Beam compaffes with divifions, &c. Triangular compaffes of a new conflru&ion Adam s1