A CATALOGUE

Of Mathematical, Philosophical,
and Optical Instruments,

MADE and SOLD by

BENJAMIN COLE,

At his Shop, the Sign of the Orrery, No. 136,
in Fleet street, London.

l.s.d.

Variety of pocket cases of Drawing Instruments, in Silver,

from 3l. 3s. to2000
Ditto, in Brass,from 5s. to550
Magazine Cases, in Silver,from 12l. to15000
Ditto, in Brass,from 5l. to5000
Circular Compasses to describe a Circle as small as a pin’s head,from 3s. to076
Long Hand Drawing-pens,from 1s. to050
Compasses in Brass, with shifting points, as the Ink and Black Lead points,from 2s. 6d. to110
Plain Compasses,from 6d. to050
Beam Compasses, for drawing large circles,from 12. to300
Proportionable Compasses,from 1l. 1s. to550
Triangular Compasses,from 14s. to0180
Elliptical Compasses, for Ovals,from 1l. 11s. 6d. to550
Hair Compasses 076
Bows for drawing curved lines,from 4s. to0106
Sets of Feather-edge Scales, in Brass, Ivory, or Wood,from 12s. to1160
Plain ditto, or Plotting ditto, in ditto,from 8d. to0180
Gunter’s 2 feet, and 1 foot Scales, in Brass or Wood,from 2s. to220
Protractors of all sorts,from 1s. 6d. to1160
Parallel Rules, from 6 to 36 inches,from 2s. 6d. to1160
Cross-bar ditto, in Brass, Ivory, or Wood, from 4½ inches, to 3 feet,from 10s. 6d. to300
Sectors, in ditto,from 2s. 6d. to4146
Theodolites,from 3l. 3s. to660
Ditto, with Vertical arch, Spirit Levels, Telescope, &c.from 10l. 10s. to2100
Plain Tables,from 3l. 3s. to550
Circumferentors, the principal Instrument for Surveying in the West-Indies,from 1l. 16s. to3136
Gunter’s four pole chains,from 6s. to0120
Spirit Levels of all sorts,from 5s. to12120
Pentographia, for the ready and exact reduction or copying of
 Schemes, Drawings, Prints, &c. 4146
Measuring Wheels for Surveying,from 4l. 14s. 6d. to660
Hadley’s Quadrants, with Diagonal Divisions 1140
Ditto, with a Nonius,from 2l. 2s. to3136
Ditto, all in Brass,from 3l. 13s. 6d. to660
Davies’s Quadrant,from 12s. to110
Cole’s ditto,from 18s. to150
Sutton’s ditto 060
Gunter’s ditto,from 3s. 6d. to110
Horizontal Sun Dials, for all Latitudes,from 5s. to1000
Ring Dials,from 10s. 6d. to2100
Azimuth Compasses,from 5l. 5s. to1000
Amplitude ditto,from 1l. 7s. to550
Mariner’s Compasses, either for the Cabin, or Binacle,from 7s. 6d. to3130
Pocket Compasses,from 1s. to1116
Large Orreries,from 50l. to25000
Armillary Spheres,from 12l. to5000
Seventeen inch Globes 660
Fifteen inch ditto 550
Twelve inch ditto 330
Nine inch ditto 220
Six inch ditto 1160
Three inch ditto, in a case,from 8s. to0100
Large double Barrell’d standing air pumps 2500
Apparatus to ditto,from 3l. 3s. to12120
Double Barrell’d table air pumps, with their apparatus,from 5l. 15s. 6d. to2000
Single Barrell’d ditto 2126
Apparatus to ditto 220
Electrical Machines, in Brass, with apparatus, box, &c.from 5l. 5s. to13130
Barometers,from 1l. 1s. to1160
Ditto & Thermometer, in one frame,from 1. 11s. 6d. to2126
Barometer, Thermometer, and Hydrometer, all in one frame,from 2l 12s. 6d. to3136
Farenheit’s Thermometers, in mahogany cases,from 1l. 5s. to1116
Pocket ditto, in black cases,from 12s. to110
Spirit Thermometers, on box scales, for hot-houses 0106
Hydrometers, in Ivory,from 4s. to056
Ditto, in copper, with weights, &c. for proving Spirits,from 1l. 1s. to150
Hydrostatic Balance, with apparatus, &c. 1150
Speaking Trumpets,from 10s. to1116
Hearing ditto,from 7s. 6d. to110
Reflecting Telescopes,from 1l. 16s. to5000
Refracting ditto, of various lengths, with four or six glasses,from 7s. 6d. to660
Double reflecting Microscopes,from 3l. 13s. 6d. to770
Solar ditto, in Brass,from 4l. 4s. to660
Wilson’s pocket ditto,from 1l. 5s. to2126
Opake ditto,from 2l. 12s. 6d. to3136
Cloth ditto,from 3s. 6d. to076
Flower ditto,from 3s. 6d. to050
Diagonal Machines for viewing prints,from 16s. to1116
Large Book Camera Obscura,from 4l. 4s. to550
Box Camera Obscura,from 10s. 6d. to220
Scioptric Ball and Socket, in Wood 076
Opera Glasses,from 5s. to2126
Prospect ditto,from 8d. to0106
Magic Lanthorn, without objects,from 1l. 1s. to170
Magic Lanthorn sliders, with objects,from 5s. to0106
Mirrors, convex or concave, of all sizes, in black frames,from 10s. 6d. to16160
Prisms,from 6s. to110
Reading Glasses set in a variety of curious frames,from 2s. 6d. to2126
Watchmaker’s Glasses, in frames,from 1s. to0106
Concave ditto, for short sighted persons,from 1s.6d. to220
Spectacles ground on brass tools, and set in silver, tortoise shell, horn, &c.from 1s. to170
Achromatic, Opera, and Prospect glasses,from 1l. 1s. to1160
Achromatic Telescopes of any length, at 1l. 1s. each foot.
Gauging Rules, Carpenter’s Rules, and all other kind of Rules,
 at the usual Prices.
The Eleventh Edition of Harris on the Globes, with the
  Description and Use of the Orrery, 3s. 6d.
The Use of the Sector and plain Scale explained, 1s.
The Use of Hadley’s Quadrant explained, 6d.
A fine Print of the Orrery, on imperial paper, 2s.
A smaller ditto, 6d.

Variety of other Instruments too tedious to mention, are made and sold at the above place: Where any Gentleman, by Letter, or other Directions, may depend on being as faithfully served as if present. And as I have been long in the Wholesale part of the Business, Merchants, &c. may be sure of being supplied on the Best Terms. As also by M. Allison, at Falmouth.