OPTICAL INSTRUMENTS.
27
£ s.
Opera glasses, in a variety of mountings . 7s. 6d. to 4 4
One foot three drawers acromatic telescope . .111
Twenty inch ditto . . . . . . . 2 12
Two feet ditto . . . . . . .3 13
Three feet five drawers ditto . . . . .55
Ditto, six drawers, and extra power . . .66
Twenty inch stand telescope, packed in a box, with
two powers . ..7 7
Two feet and a half ditto, ditto, with three extra
powers ..... £10 to 12 12
Three feet and a half ditto, ditto, plain . . .210
Ditto, with horizontal and vertical rackwork, on mahogany stand . . . . . . 36 0
Twelve inch reflecting telescope, on a stand, in a case 7 7
Eighteen inch ditto, on a plain stand, in a case . 9 9
Ditto, with rackwork, &c. . . . . . 14 14
Two feet ditto, on a plain stand, &c. . . . 16 16
Ditto, with rackwork, &c. . . . . . 21 0
Three feet ditto, ditto . . . . . . 30 0
Telescopes of both kinds, fitted up with apparatus, for accurate astronomical observations Solar microscope, in brass, with the new improvements . . . . £5 15s. 6d. to 36 16
The new opaque and transparent solar microscope,
with apparatus . . . £12 12s. to 16 16
The lucernal microscope, with argand lamp . £20 to 28 0
Compound microscope . . . . £2 to 4 14
New universal ditto . . . £5 15s. 6d. to 14 14
Microscope, for opaque objects . £1 16s. to 3 3
Botanic microscope, for flowers . 7s. 6d. to 1 5
Improved microscope, with compound body, the most complete pocket microscope, with printed instructions . . . . £1 11s. to 3 3
Cloth microscope .... 4s. 6d. to 0 10
Diagonal print machines . . £1 1 Is. 6d. to 2 10
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