A Catalogue of Instruments.
Astronomical Quadrants
Ditto --—
Ditto ---
I. s,
12 12
. ---- 3r io
-52 IO
Transit Instruments, from 21/. to 31 10Equal Altitude Instruments, from
21 /. to --52
Astronomical Sectors, from 50 I. to 100Horizontal Sun-Dials, from ioj. 6d.
to-1 o
Universal Equinoctial Dials, from1 or. 6d. to
Hadley’s Sextants -
Ditto-----
Dr. Knight’s new Steering Compass--his new Azimuth Com-
pass
Orreries, from 25/. to-
A Planetarium, or Manual
d.
o
o
o
o
IO O
o oIO o
Ditto, on a Pedestal, &c. -
Eliptical double Dials, from 5/. 51.
to ----- 10
Pocket Horizontal Dials for several
Catitudes --—
Hadley’s Quadrants -
Ditto-
Ditto --
Ditto-
*3
18
10
2
2
12
3
468
12
5
150
Orrery
for the Copernican and Ptolemaic
System -- --- 3
Ditto ---8
A new PlanetariumA new Tellurian
- 18
-36
Adams’s New Globes, 18 Inches Di-ameter -- —-9
Ditto, in Mahogany---11
6
o
o
o
6
o
o
o
o
6
15 6o o
3
8
18
o
9
11
Ditto
o
o
o
o
o
o