RARE ENGLISH MAHOGANY BENT THERMOMETER
Louis Paschal Casella (b. 1812, d. 1897)
London, 19th century
The right-angle mercury rod beside a brass measure engraved "L. Casella, London, No.23”,
mounted onto a mahogany case with shaped corner return applied edge
Provenance : Kirk Igler (1944-2001), antique dealer and appraiser working for many years with Sotheby's
Louis Paschal Casella (b. Luigi Pasquale Casella) was one of a group of instrument makers of Italian descent, who
settled in England and founded successful long-running businesses. Cesare Tagliabue established a company in Holborn,
London, in 1799, during the reign of George III. Within a few years Louis Pascal Casella joined Cesare in a partnership
and the new Casella name was born. In the early years, the products being exported world-wide included exploration,
navigation, photographic, meteorological and medical research instruments. Early customers included Charles Darwin
and Dr. Livingstone. By the mid 1800’s, Casella was shipping products to Portugal, Spain and Italy. Casella exhibited
instruments, including theodolites and surveying equipment, at the first "Great Exhibition" , Crystal Palace, London, 1851.
L.Casella had premises at 23 Hatton Garden, London in 1848, moving to 147 Holborn Bars in 1875.
Casella in the 20th century
During the two World Wars, Casella’s expertise in optics, compasses and photogrammetry equipment was put
to good use by the military. By the 1950’s, Casella had designed and built a significant amount of dust monitoring
equipment for the deep mining industry, including a number of industry standard products. Since this time, the
company has worked extensively with all sectors of industry, but most notably developing unique solutions to
environmental health issues in the coal and extractive industries, petrochemical, electronic and nuclear industries.
The Casella Company has been responsible for a number of industry "firsts", including:
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The first patented mercury thermometer (1861) The first ever clinical thermometer (1871) The first electric rainfall recorder (1928) The first bacteria sampler (1941) The first personal sampling pump for industrial hygiene (1961) The first Intrinsically Safe personal sampler (1968) The first digital integrating sound level meter (1972) The first personal noise dosimeter (1973) The first integrating hand held sound level meter (1978) The first computing sound level meter (1983) The first all digital real time 1/3rd octave sound analyzer (1993) |
15” High x 10.75” Wide
SOLD
#6051
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