DOLLAND PRESENTATION BAROMETER DOLPHIN STAND Ca 1875
PRESENTATION CARVED DOLPHIN BASE
DOLLOND ANEROID BAROMETER 1875
![](http://www.MyEasyPics.com/is.php?i=1098168&img=DLPHNBAROFRNTGLY912_3.JPG)
Shipwrecked Fisherman
& Mariners Royal Benevolent Society
SIZE:
15 1/4 L x 4 1/4 D x 12 1/2
H
WEIGHT: 6
Lbs. 8 oz.
PRESENTED is an unusual presentation aneroid barometer
housed
in a elegant hand carved Oak and Mahogany base with twin
dolphins flanking. It was made by Dolland of London
for the Royal Benevolent Society in behalf of Shipwrecked Fisherman
& Mariners, and was awarded to William Jones
for service at MARGATE, 1875 - 189,9 as engraved on the central
brass plate in Copperplate Gothic block letters.
The porcelain 5 inch
dial is imprinted with the maker's name, marine aneroid
barometer and the Royal Benevolent Society's house flag, address and
shipwrecked mariner's name. The dial has numerous hairline age
cracks that have been previously repaired. The instrument has its
original beveled crystal lens, blued moon and arrow center
pointer, with a second movable brass pointer for watching the
changes take place. There is a plate on the top and bottom of the
nickel plated cartridge brass case for wall hanging. The
instrument reports pressure consistent with the published
barometric pressure for this location.
CARVED
DOLPHIN
BASE:
The stylized dolphins are deeply incised and are
stained Mahogany along with a
three strand rope design along its border, while the stand, with its over their golden stained
base, contrasts nicely . The back of the carving is finished entirely in the light
golden tone. The dolphins are reminiscent
of a U.S. Naval submariner's qualification device adopted in 1924,
and may have been known to then Captain Earnest J. King, later
Fleet Admiral and Chief of Naval Operations in WW II, who recommended its
adoption.
Porcelain face has hairline
cracks |
COMPANY HISTORY in
BRIEF: On 21 April 1750, Peter Dollond opened a small
optical business in Vine Street, near Hatton Garden in London. He
was joined by his father John Dollond in 1752. The Dollonds became
quite famous for the quality of their optical products. In 1768, John
Dollond, now a partner in business, was appointed optician to King
George III and the Duke of York. In 1781, Peter Dollond made bifocal
spectacles.
At the Great Exhibition
1851 in London,
Dollonds were awarded a medal for the excellence of their optical
instruments.
John Dollond was the
son of a Huguenot refugee,
a silk-weaver at Spitalfields, London, where he was born. He
followed his father's trade, but found time to acquire a knowledge
of Latin, Greek, mathematics, physics, anatomy and other subjects.
In 1752, he abandoned silk-weaving and joined his eldest son, Peter
Dollond (1730–1820), who in 1750 had started in business as a maker
of optical instruments. His reputation grew rapidly, and in 176,1 he
was appointed optician to the king.
Three quarter view of
front
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Three quarter view of
rear
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Close-up of right
dolphin
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In
1758 he published an "Account of some experiments concerning the
different refrangibility of light" describing the experiments
that led him to the achievement with which his name is specially
associated, the discovery of a means of constructing achromatic
lenses by the combination of crown and flint glasses, which reduces
chromatic aberration (color defects). Leonhard Euler in 1747 had
suggested that achromatism might be obtained by the combination of
glass and water lenses.
Early
in 1757 he succeeded in producing refraction without color by the
aid of glass and water lenses, and a few months later he made a
successful attempt to get the same result by a combination of
glasses of different qualities. For this achievement the Royal
Society awarded him the Copley Medal in 1758, and three years later
elected him one of its fellows. Dollond also published two papers on
apparatus for measuring small angles.
When
John Dollond died in 1761, Peter Dollond started working with
his nephew, George Huggins, who changed his name to Dollond. George
Dollond, born in 1774, had both his uncle’s mechanical skill and his
grandfather’s grasp of theory. He built numerous precision
astronomical instruments with exacting attention to detail. He also
invented an “atmospheric recorder” by which continuous measurements
of temperature, wind, rainfall, humidity, pressure and other weather
data were printed on rolls of paper. After Peter Dollond died in
1820, George Dollond ran the family business until his own death, on
13 May 1852. Management then transfered to the Aitchison side of the
business
which survives to this day as
optomitrists..
Back of Dolland presentation twin dolphin
barometer | |
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Presentation plate
to William Jones at
Margate |
OUR UNCONDITIONAL NO
NONSENSE GUARANTEE: If not completely satisfied with your
purchase it may be returned, if without damage, within five days of receipt in
its original packaging. Return items must be insured for their full
value. Only a prior email authorization by us for the return is
required. Shipping charges are included in this offer within the
continental United States if the error is due to our
fault.
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inquire first. We have satisfied customers in Argentina,
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Caribbean.
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which case the item will be held until cleared. Our
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different.
Copyright
2013 by Land
And Sea Collection™, All Rights
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