Towns > Edinburgh > 1838-1846 - Post-Office annual directory and calendar > 1844-45

MISCELLANEOUS DIRECTORY.
427
THOMAS DAVIDSON,
WORKING OPTICIAN,
MATHEMATICAL AND PHILOSOPHICAL INSTRUMENT
MAKER,
fi3, PRINCES STREET, EDINBURGH,
XJ ESPECTFULLY intimates that he has opened in the above Premises with an entirely
JA^ new and select stock, including every description of
Theodolites and Levels,
Single Compasses, Achromatic and Reflecting
Microscopes,
Spectacles, Eye-GIasses, &c. ■
Telescopes, Achromatic and Reflecting, to any
possible dimensions.
Dissolving Lanterns and Phantasmagoria.
Marine and Miners' Compasses.
Daguerreotype and Calotype Apparatus, with
the latest improvements.
Galvanic and Electrical Apparatus.
Barometers and Thermometers.
Drawing Instruments, Single and in Case.
Scales, Parallel Rules, &c. &c.
THOMAS DUNN,
OPTICIAN,
MATHEMATICAL AND PHILOSOPHICAL INSTRUMENT-MAKER,
50, HANOVER STREET, Edinburgh.
RESPECTFULLY intimates that he has always on hand a select Stock of SPECTACLES
in Gold, Silver, Tortoiseshell, light blued Steel, common Steel, and Horn frames fitted
either with Pebble, Periscopic, or other Lenses, and carefully adapted so as to assist and preserve
ihe sight of the wearers.
Eye-Glasses and Hand Spectacles, in Gold,
Silver, Tortoiseshell, Steel, and Horn mount-
ings.
Theodolites, Levels, Mining- Compasses, Pro-
tractors, Levelling-Staves, Chains, Tapes,
Chain-Scales, &c.
Dunn's improved Pantograph. T. D. solicits
an examination of this Instrument, by Civil En-
gineers, Survej'ors, Engravers, Lithographic
Draughtsmen, &c. ; confident it will be found to
be the most complete, delicate, and simple In-
strument yet made, for copying, enlarging, or
reducing drawings of every kind.
Optic Squares, Parallel Rules, Rolling do. in
Ebony, Office do. in Brass.
Drawing Instruments, in cases for Engineers,
Drawing Academies, Mathematical Classes, &c..
Pillar Compasses, Dividers, Steel Drawing Pens,
Bow Compasses, Proportional Compasses, or
any other Instrument, separately.
From the experience and attention wliich T. D. has paid to Philosophical science generally, and
to the science of Optics particularly, for the last twenty-five years, he trusts to be able to 'give
every satisfaction to those who favour him with their patronage.
From the experience T. D. has had during the last nineteen years, as principal assistant to his
late Brother, and on his own account, and the attention he has bestowed on business, he trusts he
will continue to give satisfaction to those who may honour him with their patronao-e.
Every description of Experimental and Illustrative Apparatus, Models of Machines, Instru-
ments, &c., made to order.
Repairs executed in the best manner, and on tlie shoricst notice,
50, Hanover Street, Edinburgh,
Telescopes, Microscopes, Magic Lanterns,
Botanical Glasses, Engravers' Glasses, Watch
Magnifiers, &c.
German Microscopes, used by the most emi-
nent members of the Medical profession, for
examining diseases of the Skin, Eyes, &c.
Transit Instruments, Altitude and Azimuth
Instruments, Sextants, Quadrants, Pocket Com-
passes, Gunter Scales, &c.
Barometers for the house, do. for measuring
heights.
Thermometers for the Bath, the Window, the
Pocket, Registering, Chemical, Brewers',
Bakers', &c.
Table Air Pumps, Dunn's Improved do.,
Electrical Machines, Galvanic and Magnetic
Apparatus, DeHcate Balances, Acid Hydrome-
ters, Alkalimeters, Specific Gravity 'Bottles,
&c. &c.