639 OXY-HYDROGEN JET (216A) c. 1880
Jet for oxy-hydrogen lamp, with two taps, stamped 1 and 2, with a
compass joint to screw to some support. This does not match with the
jet above, 638. Overall length 240; distance between input holes 170.
640 OXY-HYDROGEN LAMP (10211 § 1869
Unsigned; by J. Salleron, Paris
Base 150 x 135; height 110
Metal frame supports in the centre a gas jet and a spike to hold lime pellets.
which become incandescent in the flame from the burning gases.
The jet is fed by two tubes with taps, which are marked H and O
(hydrogen and oxygen). A glass jar contains cylindrical stubs of lime,
wrapped in paper, between wadding. Jar has a paper label-with the following
inscription:
Instruments de Précision/ J. SALLERON/ 24, rue Pavée
(au Marais)/ PARIS
[written in ink] 12 cylindier d ’argile
Purchased through P.J. Kipp & Zonen, Delft, in 1869; lamp Dfl.
27,50, jar of limes Dfl. 4.50.
640
641 SATURATOR f * 4 4 ) 1888
Signed: SOLE MAKERS I.P. CUTTS SUTTON & SONS
SHEFFIELD.
Baseboard 303 x 205; cylinder length 32§|diameter 58
Deal board, painted black, with carrying handle in centre, supports two
connected brass cylinders with taps and fittings to take rubber tubing
at the end of each cylinder. The purpose is to saturate hydrogen with
ether for use with limelight in lantern projectors. On two brass nuts,
which hold wooden wedges separating the two Cylinders, is inscribed:
TRADE MARK [picture of anchor] TRY ME. Purchased through
Merkelbach & Co., Amsterdam, November 1888 for Dfl. 30.
The firm of John Preston Cutts was founded in, ,1822 at
Sheffield, and by 1851 the business was augmented by J.P. Sutton and
the sons trading from Division Street, Sheffield. Clifton (1995), 75.
642 MAGNESIUM LAMP * 3 2 ) 1897
Signed: O. NEY BERLIN PATENT 37010
Overall height 495
Black-painted tinplate chamber, mounted on three iron legs, with
chimney, filament, and conical shade in front, and perforated, removable
box at bottom towtch ash. The shade (diameter 175) is non-mag-
netic, black outside, anodized inside. A spool to hold magnesium rib-
fpon at top back inside tinplate cover, is made integral with lid of chamber,
containing winding mechanism for which there is a rod projecting
from thdfide of cylinder. When wound up, the clockwork mechanism
extrudes the ribbon, which burns with an intense flame. No key
present. Purchased via the agent J.C. Th. Marius, Utrecht, in June 189E
for Dfl. 75. Brachner (1985), 146.
642
643 MAGNESIUM LAMP (433) before 1882
Signed: MAGNESIUM LAMP J. SOLOMON. BREVETE
SGDG 22 RED LION SQUARE. LONDON. N" 349.
Overall height 207; reflector diameter 204
Mahogany handle, copper cylinder containing clockwork, and tinplate
top and hinged lid revealing an air-brake; all painted in a bronze effect.