ANTIQUE ELECTRICAL,
MEDICAL & other SCIENTIFIC INSTRUMENTS for sale.
A
cased HAWKSLEY & SONS antique medical HAEMACYTOMETER
complete with micrometer slide in a plush lined case.
- £55
ANTIQUE
FULLERS SPIRAL SLIDE RULE CALCULATOR.
In its original case, with
instructions and lacquered brass mounting bracket. This slide rule is in
excellent condition. All the lettering and numbers are clearly visible and there
are no marks to the scale. The name “FULLERS
SPIRAL SLIDE RULE” is printed on the rule. The makers’
name “STANLEY Maker
LONDON” is also printed on the scale. The serial
number “12665”
and date of manufacture “61”
are engraved on the long cursor and there is also a conversion scale (how
things have changed). Even the case
is in excellent condition with its brass catches and hinges. -£695
A cased
set of drawing instruments comprising
springbows, compasses and pens, in a black leatherette covered case,
- £20
A
cased REVER
Maximum-minute-thermometer. The
thermometer is scaled 98 to 108
degrees for clinical use and is housed in a green baize lined maroon protective case. - £35
A
pair of vintage OIL IMMERSION RESISTORS, with
connectors in glass phials, used to demonstrate the temperature coefficient of
resistance, by Philip Harris of Birmingham, England. -
£25
A silver SACCHAROMETER
by LADD & OERTLING,
Manufacturers of Bullion, Chemical and Assay BALANCES and HYDROMETER MAKERS
to the BOARD OF INLAND REVENUE, the Bank of England, the Assay Offices of the
Royal mint, The U.S. Mint & Anglo-Mexican Mint. This
early hydrometer is silver
(plated?), complete with a full set of 3 matching, numbered weights, and is
signed Ladd & Oertling,
LONDON, Nr.
3065, as well as having the scale 0 – 50 on the stem. It
comes in a blue lined Mahogany case, which has a trade label on the inside of
the lid and room for a thermometer.
- £175
A cased
set of spring bow drawing instruments
consisting a pair of dividers, a lead compass and an ink compass in a black
leatherette covered case, monogrammed inside the lid with “D.R.”,
the maker’s trademark? - £25
A 10 in. Philips' Planisphere for
latitudes 51 1/2 deg. North, shows the principle stars visible every hour for
every day of the year, in original case - £50
The
Belgrave SPHYGMOMANOMETER signed on the
silvered dial Bailey & Son, 45 Oxford St. London
W.1., the scale reading 20 - 300 m/m, the 2 in diameter brass case
with suspension loop and inlet guard - £45
Galvanometers,
ammeters, pressure gauges, etc...
BOOKS
Bar-lock
typewriters model 18 & 18a handbook
by Bar-Lock (1925) Ltd., - £10
The World's
Minerals (with 40 colored plates) by
L.J.Spencer, - £15
GENERAL
LINKS
Scientific
Instrument Making in Manchester 1790 - 1870
by Jenny Wetton - this book can be purchased
from the Manchester Museum of Science and Industry +(44)161 832 2244 for about
£2
Interested in Astrolabes,
then follow this link
to a site full of excellent
information on the subject.
For information on camera
lucidas & how to use them click here
(please be patient as this is a large file of aprox. 1 Mb)
And an artist who uses
camera lucidas click here
last updated 22/05/2010