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ID #SA1170836
FOR SALE
£950
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Precision Level with Clinometer by Cooke Troughton & Simms
Hatchwell Antiques
for sale €1,112     $1,207
£950
Hatchwell Antiques

Hatchwell Antiques

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Id #SA1170836
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Precision Level with Clinometer by Cooke Troughton & Simms

1900 - 1920
Description

A brass and steel precision level with clinometer by Cooke Troughton & Simms of York, England, circa 1925.

Level scale marked: 1 DIV = 1 IN 10000

Clinometer scale marked: 1 DIV – 3 IN 1000 (1 DIV = 10 MINS ANGLE.)

End plate marked: MADE BY COOKE TROUGHTON & SIMMS AT YORK. ENGLAND. E.O.95255

Length: 21 cm.

In fitted case: 26 x 9 x 11 cm.

Cooke, Troughton & Simms, Buckingham Works, York, was a British instrument making firm formed in 1922 by the merger of T. Cooke & Sons and Troughton & Simms.

Literature on C.T.& S.: Instrument Makers to the World: History of Cook, Troughton and Simms, 1992, Anita McConnell.

Physical Dimensions
Height
11cm (4.33")
Width
26cm (10.24")
Depth
9cm (3.54")
Declaration

Hatchwell Antiques has dated this Brass Precision Clinometer Level to the 1920s.

Reference Numbers
Sellingantiques Reference
SA1170836
Description
A brass and steel precision level with clinometer by Cooke Troughton & Simms of York, England, circa 1925.

Level scale marked: 1 DIV = 1 IN 10000

Clinometer scale marked: 1 DIV – 3 IN 1000 (1 DIV = 10 MINS ANGLE.)

fig 1. A precision spirit level with clinometer set on a steel and brass frame alongside its fitted mahogany transit case.
fig 1. Precision Level with Clinometer by Cooke Troughton & Simms

End plate marked: MADE BY COOKE TROUGHTON & SIMMS AT YORK. ENGLAND. E.O.95255

Length: 21 cm.

In fitted case: 26 x 9 x 11 cm.

“
Cooke, Troughton & Simms, Buckingham Works, York, was a British instrument making firm formed in 1922 by the merger of T.
Hatchwell Antiques

Cooke & Sons and Troughton & Simms.

Literature on C.T.& S.: Instrument Makers to the World: History of Cook, Troughton and Simms, 1992, Anita McConnell.

Height
11cm (4.33")
Width
26cm (10.24")
Depth
9cm (3.54")
Date of Manufacture

Hatchwell Antiques has dated this Brass Precision Clinometer Level to the 1920s.

Reference Numbers
Sellingantiques Ref
SA1170836
Hatchwell Antiques
Hatchwell Antiques
Sellingantiques verified Since Sep 2016

Furniture & lighting alongside clocks, scientific & optical instruments.

Dealer Profile

You can view the stock and full dealer information on the Hatchwell Antiques Profile Page

Trade Associations

Hatchwell Antiques is a registered member of LAPADA  BADA  CINOA

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A precision spirit level with clinometer set on a steel and brass frame alongside its fitted mahogany transit case.
1 / 11
Archive I A precision spirit level with clinometer set on a steel and brass frame alongside its fitted mahogany transit case.

Precision Level with Clinometer by Cooke Troughton & Simms

Archive II A precision spirit level with clinometer set on a steel and brass frame alongside its fitted mahogany transit case. View II
Archive III A precision spirit level with clinometer set on a steel and brass frame alongside its fitted mahogany transit case. View III
Archive IV A precision spirit level with clinometer set on a steel and brass frame alongside its fitted mahogany transit case. View IV
Archive V A precision spirit level with clinometer set on a steel and brass frame alongside its fitted mahogany transit case. View V
Archive VI A precision spirit level with clinometer set on a steel and brass frame alongside its fitted mahogany transit case. View VI
Archive VII A precision spirit level with clinometer set on a steel and brass frame alongside its fitted mahogany transit case. View VII
Archive VIII A precision spirit level with clinometer set on a steel and brass frame alongside its fitted mahogany transit case. View VIII
Archive IX A precision spirit level with clinometer set on a steel and brass frame alongside its fitted mahogany transit case. View IX
Archive X A precision spirit level with clinometer set on a steel and brass frame alongside its fitted mahogany transit case. View X
Archive XI A precision spirit level with clinometer set on a steel and brass frame alongside its fitted mahogany transit case. View XI
Enlarged Archival View
Hatchwell Antiques

Hatchwell Antiques
Telephone 020 7351 2344
Location
533 Kings Road
London
SW10 0TZ
United Kingdom
Dealer Profile Page sellingantiques.co.uk/hatchwellantiques
Verified Since Sep 2016
Items For Sale 145
Items Sold 10
Hatchwell Antiques
Hatchwell Antiques
Verified Since Sep 2016
View Dealer Info
Location: 533 Kings Road, London, SW10 0TZ, United Kingdom
Profile: sellingantiques.co.uk/hatchwellantiques
Verified
Sep 2016
For Sale
145
Sold
10
A precision spirit level with clinometer set on a steel and brass frame alongside its fitted mahogany transit case.
Precision level with clinometer by Cooke Troughton & Simms
Ref: SA1170836
A precision spirit level with clinometer set on a steel and brass frame alongside its fitted mahogany transit case.
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FAQs

A precision level with a clinometer is a scientific measuring instrument designed to measure minute angles of slope, elevation, or inclination relative to gravity. Historically manufactured by specialized instrument makers such as Cooke, Troughton & Simms, these tools were essential for surveying, engineering, and military applications during the nineteenth and twentieth centuries.

These instruments were typically constructed from durable metals including lacquered brass, cast iron, and steel, often mounted on or housed within fitted hardwood boxes made of mahogany or oak. High-precision glass spirit vials filled with alcohol or ether were integrated into the metal frames to provide angular readings.

Authentic pieces generally feature clear maker stamps or trade plates reading Cooke, Troughton & Simms Ltd alongside engraved serial numbers. Genuine instruments display precise machining, dovetailed joinery on original transit cases, and age-appropriate oxidation on metal surfaces.

Scientific instruments function as accent objects on office desks, executive bookshelves, or sideboards within contemporary or industrial-themed interiors. Displaying the instrument alongside its opened original wooden case highlights the technical craftsmanship and timber finish.

Dust the instrument regularly with a soft, dry microfibre cloth to avoid stripping original lacquers or surface patina. Avoid harsh abrasive cleaners, keep away from direct heat sources to protect delicate spirit vials, and apply natural beeswax polish to the wooden box periodically.
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