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Casella Polished Brass Quintant - Sextant

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This Fine Instrument Has Been Sold.
Thank you!

L. CASELLA THREE CIRCLE Quintant
Maker to the Admiralty & Ordinance - London

"Side

This instrument is in excellent condition and will make an important addition to a collection or as a special gift! 

Copyright 2014 by Land And Sea Collection™, All Rights Reserved
 

PRESENTED is a high quality, three circle Quintant (sextant) by Casella.  The maker mostly produced measuring instruments and the few sextants of their's that have survived are those having a ladder style frame. This one comes with a medium power telescope and a sighting tube.  The machine work on this instrument is highly refined and is superior to later examples of the three circle design by Heath, Hughes and C. Plath all of whom are noted for this style design. It has been recently lacquered and polished for display as a remarkable relic of the 1870's. This is the first time we have had the pleasure of offering for sale an instrument from this maker.  

 

The back of the Casella sextant image

Advanced design features include a larger than normal horizon mirror and Index mirror both of which gather more light, and hence improve the taking of twilight sights. In addition there are four Index shaded and three horizon shades.There is a magnifier which swings on a post over the vernier scale which reads  to ten arc seconds from the right. 

The frame's design makes a strong and rigid frame. The handle is turned from Rosewood. The polished platinum scale is calibrated -5 to +150 with a vernier scale reading from the right from 0 to 10 arc seconds in 2 arc second intervals. The quintant has four partially rounded shades for the index mirror and three round shades for the horizon mirror. The telescope's distance from the frame may be adjusted by turning a knob at the back of the rising piece. 

Engraved in Edwardian style script on the arc is, "L. Casella Maker to the Admiralty & Ordinance London"  in Copper Plate Script which helps date the instrument. There is no serial number or other identifying marks which must be common for this maker.  

THE CASE: The fan shaped Mahogany case shows a single age crack on the left side of the top plus the normal marks of age on its varnished surface including the expected scratches, and handling marks. Inside the wood has turned very dark, and though clean, has a grimy appearance. The two telescopes and a pick for adjusting are stored in a holder on the right. There are the remnants of two labels on the inside right cover. The larger one is from a London instrument shop, and the small blue one is from a New York instrument shop. Neither are legible. There are two latches and a lock, but no key. 

 

Sextant shownin its case image

 

LISTED IN WEBSTER'S REGISTRY of scientific instrument makers: See http://historydb.adlerplanetarium.org/signatures/edit.pl?edit_id=2555

Instrument
 

L. CASELLA THE MAKER: Cesare Tagliabue first established a company in London in 1799 to manufacture scientific apparatus during the reign of King George III. Not long after, Louis Pascal Casella joined him in partnership and the Casella company name was born. In the early years, products designed and built by Casella and exported worldwide included navigation/exploration and photographic devices, as well as meteorological and medical research instruments. Some early customers included Charles Darwin and Dr. Stanley Livingstone who relied on their durable and accurate Casella products to carry them safely as they embarked on discovering remote new regions, cultures and species. 

They traded at 23 Hatton Garden, London (1865-71), earlier as Casella & Co, sole proprietor Louis Paschel Casella (1812-1897) Casella (1812-1897), name continued after 1897. L. Casella moved manufacturing from 23 Hatton Garden to 147 Holborn Bars, London, E. C.

 
Maker's

Casella in the 19th Century. During the 19th century Casella continued to grow and innovate, and exhibited instruments including theodolites and surveying equipment at the first 'Great Exhibition' held at the Crystal Palace in Hyde Park (London) in 1851. In the latter half of the 1900’s, Casella became more involved in the growing field of Industrial Hygiene by inventing one of the world’s first Personal Air Sampling Pumps in 1952 and they continue operations today.  

Ref. Anderson, R.G.W., Burnett, J. & Gee, B., 'Hand list of Scientific Instrument-Makers' Trade Catalogues 1600-1914', (National Museums of Scotland, 1990); Trade literature signed 'L. Casella' see publication citation, L. Casella, 1871, on MimsyXG; http://www.casellausa.com/en/about_us.htm Anderson, R.G.W., Burnett, J. & Gee, B., 'Hand list of Scientific Instrument-Makers' Trade Catalogues 1600-1914', (National Museums of Scotland, 1990); Trade literature signed 'L. Casella' see publication citation, L. Casella, 1871, on MimsyXG; http://www.casellausa.com/store/index.cfm

Index
Horizon mirror image
Index mirror shown over Horizon mirror
The fan shapped box image
Period style Fan shaped box for the sextant/quintant
 

INSTRUMENT CONDITION: It is hard to adequately describe a 150+ year old  antique instrument which has survived in excellent condition . The index and the horizon mirror are in good condition. The index arm clamp, and swing arm magnifier are complete and in good working order.  The telescope works properly and both sets of shades, i.e., filters are perfect.

 
Remnants of two instrument dealer's labels
 

CERTIFICATE: There is no certificate which is customary with antique instruments.

This is an opportunity to acquire a very rare instrument from a little known, up-scale English instrument maker

DIMENSIONS:

Arc -5 to + 150 degrees
Length of index arm 8 1/2"
Radius of index arm 7 1/2"

Width of frame at arc 9"
Index mirror 36 x 45 mm
Horizon mirror 26 x 28 mm
Instrument weight 2 lbs 11 oz

Case 12" X 9 1/2" x 5" Weight in case 5 lbs 3 oz

SHIPPING, PACKING AND INSURANCE to 48 contiguous states $45.00

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 condition and packaging. Returns must be insured for their full value. All that is required is a prior email authorization by us for the return. The cost of shipping, packaging and handling within the continental United States will be refunded if we are at fault.

International buyers welcome, but inquire first. We have satisfied customers in Argentina, Australia, Austria, Belgium, Bermuda, British Virgin Islands, Canada, Chile, Republic of China, Czech Republic, Democratic Republic of Congo, Denmark, Estonia, England, France, Germany, Greece, Holland, Hong Kong, Hungary, Iceland, Indonesia, Ireland, Israel, Italy, Japan, Kuwait, Latvia, Luxembourg, Malaysia, Martinique, Mexico, New Hebrides (Vanuatu), New Zealand, Nigeria, Norway, Nova Scotia, Panama, Philippines, Poland, Portugal, Puerto Rico, Romania, Russia, Saudi Arabia, Scotland, Singapore, South Africa, Spain, St. Maarten, Sweden, Switzerland, Thailand, Turkey, United Arab Emirates, USVI, Vanuatu (New Hebrides) and the Eastern Caribbean.

STANDARD FORMS OF PAYMENT are Bank wire transfer, cashier's check, money order, or personal check in which case the item will be held until cleared. Our prices are quoted net to us so that the use of credit cards or PayPal incur extra charges. Terms on overseas sales are different. 

An unquestionably remarkable instrument in superior condition.

Copyright 2014 by Land And Sea Collection™, All Rights Reserved