ANTIQUE ELECTRICAL,
MEDICAL & other SCIENTIFIC INSTRUMENTS for sale.
ELECTRICAL
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
fine Edwardian battery driven electric shock machine
with accessories and original instructions. The instructions entitle the machine
“Dr. SPAMMER’S COIL WITH DRY CELL”. This
quack medical machine has all original parts, including
the dry battery, instructions, leads, original brass conducting handles &
pads and cotton covered flex, all in the hidden drawer. The mahogany case
has the original lock and key (working). The
retailers trade plate
for K.SCHALL & SON, 76 NEW CAVENDISH St., LONDON
is set into
the case lid. A very fine working example
- on
hold
MEDICAL
A
cased HAWKSLEY & SONS antique medical HAEMACYTOMETER
complete with micrometer slide in a plush lined case.
- £55
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
DRAWING
INSTRUMENTS
A
fine set of proportional dividers in their original blue silk lined case. The
dividers are engraved on one
side “A
G Thornton, Manchester” with scales for LINERA RATIOS and
LINES, & on the other
side with scales PLANS and SOLIDS. - £95
A cased
set of drawing instruments comprising
springbows, compasses and pens, in a black leatherette covered case,
- £20
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
OTHERS
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
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 20/12/2011