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Edison's electric carbon filament lamp

1879

Sectioned catalyst convertor matrix for car exhaust, 1982-1983

1982-1983

Platinum resistance temperature sensor made by Rosemount Engineering Co.

Two foot geodetic theodolite, 1826-1828

1826-1828

Clutch Pencil with Refill, 1977

1977

Crookes' Radiometer, 1872-1879

1872-1879

Siemens Pyrometer Sensor, 1890

1890

McLeod's vacuum gauge (imperfect)

1880

Langley's 'Great' Bolometer, 1880-1890

1880-1890

Bulb of a Porcelain Air Thermometer, 1887

1887

Model of Callendar's Sunshine Receiver, 19th Century

1895-1910

Callendar's Bolometer, 1914

1914

X-ray tube with separate anode

1905-1909

Altazimuth theodolite, British, 1816-1850

1816-1850

Air Temperature Grid, 1902-1930

1902-1930

Air Temperature Grid, 1886-1930

1886-1930

Early Platinum Electrical Resistance Thermometer, 1871-1890

1871-1890

Early Platinum Electrical Resistance Thermometer, 1871-1890

1871-1890

Early Platinum Electrical Resistance Thermometer, 1871-1890

1871-1890

Gentilli type tacheometer, Austrian.

1868-1876

Brass reflecting circle.

1865-1871

Three Russian coins of platinum dated 1828

1828-31

Heurtley magnifier, 1919.

1919

Frog's Heart Thermometer, 1887

1887

Callendar's Absolute Recording Bolometer, 1905

1905

Langley's Bolometer, 1880-1890

1880-1890

Platinum

1862-1880

X-ray focus tube with adjustable anti-cathode

1897

Borda type repeating circle.

1805-1815

Rectum Thermometer, 1886-1930

1886-1930

Heavy-current x-ray tube with separate anode

Davy Infra-red Reflection Apparatus.

1876

Early Platinum Electrical Resistance Thermometer, 1871-1890

1871-1890

Early Platinum Electrical Resistance Thermometer, 1871-1890

1871-1890

Very early Edison carbon filament lamp.

1879

Davidson Photomicrographic Camera

circa 1920
Set of 19 standard apothecaries weights by De Grave Short and Co. London, in fitted mahogany case inscribed on lid "WEST RIDING OF YORKSHIRE 1880". 10oz tr. 8oz tr. 6oz tr. 4oz tr. 2oz tr. 1oz tr. 3iv. 3ij. 3i. 3ij 3ts 3i (3ts missing) in brass; 6gm. 5gm. 4gm. 3gm. 2gm. 1gm. 1/2gm. in platinum

Set of nineteen standard apothecaries' weights

1879-1880
Etchings with muslin ground (before 1852). Steel photoglyphic plate - fern leaf, 5" x 8", with proof. Platinum visible in leaves.

Fern Leaf

1852
Pt100 platinum resistance temperature sensor element type FKG, made by W. C. Heraeus GmbH, Germany, 1994.

Platinum Resistance Temperature Sensor, 1994

1994
`Uni-curve' interchangeable curve-matched bead, temperature sensor, type UUA41J1, resistance 10,000 ohms at 25°C, made by Fenwal Electronics Limited, 1994

Platinum Resistance Temperature Sensor, 1994.

1994
Platinum rhodium thermocouple with one fireclay sheath, by Cambridge Instrument Company Limited, London, England, 1925-29.

Platinum Rhodium Thermocouple, 1925-29

1925-1929
Paper knife made by F.H.Wollaston from a mass of platinum worked by William Hyde Wollaston

platinum paper knife

Date unknown
Double sounding quintant invented by Rear-Admiral Frederick Beechey, and made by William Cary, London, about 1847. Anodized brass frame, polished brass limb, a circular brass handle. Signed on the limb: Cary, London. Marked on the limb: Da.96. Inlaid silver scale with two graduations, the lower from the left from -35° to 165° every 30', measuring to 145°; the upper, from the right, from -15° to 155°, measuring to 158°. Two silver verniers to 1'; zero at the left (lower) and at the right (upper). The lower tangent screw and clamping screw are on the back of the index arm, which is on the back of the frame; the upper tangent screw is on the back of the index arm, the clamping screw is on the front. No shades. Two index glasses, adjustment by screws, one horizon glass with two silvered portions and clear glass in between; adjustment by a screw and a capstan screw. Threaded telescope bracket; perpendicular adjustment by rising-piece. Telescope (70 mm) erect image. No box.

Double sounding quintant.

1845-1850
Platinum crucible with lid

Platinum crucible with lid

Box containing metal wires and working notes made by William Hyde Wollaston. Also conrtains correspondence detailing the history of the objects.

Box containing metal wires and working notes made by William Hyde Wollaston

1800-1815
Platinum helmet, from Iridis platinum apparatus (3.100 oz.), engraved with letters 'S.K.M.'

Helmet from Iridis platinum apparatus

Platinum Alembic, from Iridis platinum apparatus (8.550 oz.), engraved with letters 'S K M' along top edge.

Alembic from Iridis platinum apparatus

Platinum bottle, or flask, from Iridis platinum apparatus (4.505 oz.). Engraved with 'S & A DEPT S.K.M.' around neck.

Flask from Iridis platinum apparatus

Platinum U tubes, from Iridis platinum apparatus (7.990 oz.), consisting of platinum U-shaped tube with two arm attachments connected by white coiling

U-tube from Iridis platinum apparatus

Platinum electrical resistance thermometer (pyrometer), laboratory pattern, with porcelain tube and fitted with glass tube, by The Cambridge Scientific Instrument Company Limited, Cambridge, England, 1910-14.

Platinum Electrical Resistance Thermometer, 1910-14

1910-1914