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sellingantiques.co.uk
ID #SA1180761
FOR SALE
£745
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Edward Roberts Boxwood Excise Officer's Slide Rule
Hobson May Collection
for sale €872     $946
£745
Hobson May Collection

Hobson May Collection

Sellingantiques Verified Since Oct 2015
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    Decorative furniture and accessories from the 18th to 20th century
Id #SA1180761
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Edward Roberts Boxwood Excise Officer's Slide Rule

18th century
Description

This rare 18th century Excise Officers slide rule has scales on all four sides and has three slides. The maker's name and address, Edward Roberts Grocers Alley Old Jewry London is clearly marked on the inside. The condition of the slide is good, all three slides move freely. This wonderful item has been in a private collection for over 60 years.

A rare precision instrument by a renowned maker.

c. 1750

CMT 169

Length 12" 30.5 cm

Physical Dimensions
Height
30.5cm (12.01")
Declaration

Hobson May Collection has dated this Antique Boxwood Slide Rule to the 18th Century.

Reference Numbers
Sellingantiques Reference
SA1180761
Dealers Internal Reference
CMT169
Description
This rare 18th century Excise Officers slide rule has scales on all four sides and has three slides.
“
The maker's name and address, Edward Roberts Grocers Alley Old Jewry London is clearly marked on the inside.
Hobson May Collection

The condition of the slide is good, all three slides move freely. This wonderful item has been in a private collection for over 60 years.

A rare precision instrument by a renowned maker.

c. 1750

CMT 169

Length 12" 30.5 cm

Height
30.5cm (12.01")
Date of Manufacture

Hobson May Collection has dated this Antique Boxwood Slide Rule to the 18th Century.

Reference Numbers
Sellingantiques Ref
SA1180761
Dealers Internal Ref
CMT169
Hobson May Collection
Hobson May Collection
Sellingantiques verified Since Oct 2015

Decorative furniture and accessories from the 18th to 20th century

Dealer Profile

You can view the stock and full dealer information on the Hobson May Collection Profile Page

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An antique boxwood slide rule featuring etched logarithmic scales and an extended central sliding section on a plain grey background.
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Archive I An antique boxwood slide rule featuring etched logarithmic scales and an extended central sliding section on a plain grey background.

Edward Roberts Boxwood Excise Officer's Slide Rule

Archive II An antique boxwood slide rule featuring etched logarithmic scales and an extended central sliding section on a plain grey background. View II
Archive III An antique boxwood slide rule featuring etched logarithmic scales and an extended central sliding section on a plain grey background. View III
Archive IV Scale Reference for An antique boxwood slide rule featuring etched logarithmic scales and an extended central sliding section on a plain grey background.
Archive V An antique boxwood slide rule featuring etched logarithmic scales and an extended central sliding section on a plain grey background. View V
Archive VI An antique boxwood slide rule featuring etched logarithmic scales and an extended central sliding section on a plain grey background. View VI
Archive VII An antique boxwood slide rule featuring etched logarithmic scales and an extended central sliding section on a plain grey background. View VII
Archive VIII An antique boxwood slide rule featuring etched logarithmic scales and an extended central sliding section on a plain grey background. View VIII
Archive IX An antique boxwood slide rule featuring etched logarithmic scales and an extended central sliding section on a plain grey background. View IX
Archive X An antique boxwood slide rule featuring etched logarithmic scales and an extended central sliding section on a plain grey background. View X
Archive XI An antique boxwood slide rule featuring etched logarithmic scales and an extended central sliding section on a plain grey background. View XI
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Hobson May Collection

Hobson May Collection
Telephone 07768 304056 or 0771 386 0021
Location
Cheshire
United Kingdom
Dealer Profile Page sellingantiques.co.uk/hobson
Verified Since Oct 2015
Items For Sale 105
Items Sold 819
Hobson May Collection
Hobson May Collection
Verified Since Oct 2015
View Dealer Info
Location: Cheshire, United Kingdom
Profile: sellingantiques.co.uk/hobson
Verified
Oct 2015
For Sale
105
Sold
819
An antique boxwood slide rule featuring etched logarithmic scales and an extended central sliding section on a plain grey background.
Edward Roberts Boxwood Excise Officer's Slide Rule
Ref: SA1180761
An antique boxwood slide rule featuring etched logarithmic scales and an extended central sliding section on a plain grey background.
Detail View 1
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Scale Reference
Archival Detail

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FAQs

An excise officer slide rule is a specialised logarithmic calculating instrument historically used by customs and excise officials to measure liquid volumes in barrels, calculate alcohol proof, and determine production taxes.

Historical slide rules were predominantly crafted from dense boxwood to resist warping, featuring hand-engraved logarithmic scales and occasionally fitted with brass end caps or pins.

Authentic period slide rules typically display hand-stamped maker signatures, precise logarithmic scales, natural age-related wood tone, and specific excise gauge markings such as barrel volume factors.

An antique slide rule can be styled as a desktop object on an office desk, displayed flat within a shallow tray, mounted inside a custom shadow box frame, or set along a bookshelf.

Preserve boxwood instruments by keeping them in a stable climate away from direct heat and sunlight, applying a thin coat of microcrystalline wax periodically, and avoiding exposure to moisture or solvents.
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