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EEL Lightmaster Photometer serial no. 18-3486 (a light meter)

EEL Lightmaster Photometer serial no. 18-3486 (a light meter)

1960-1969 (estimated)
EEL 197 Spectra Spectrometer made by Evans Electroselenium Ltd.

EEL 197 Spectra Spectrometer made by Evans Electroselenium Ltd.

The East Essex Hunt, Trinity Street, Halstead

The East Essex Hunt, Trinity Street, Halstead

1901-03-07
House next to Halstead Brewery

House next to Halstead Brewery

circa 1900
Halstead Fire Brigade

Halstead Fire Brigade

circa 1900
One of the Adams Children Wearing Mask

One of the Adams Children Wearing Mask

circa 1900
Prothrombin Meter

Prothrombin Meter

1900-1980
Halstead Brewery Wagon

Halstead Brewery Wagon

circa 1900
Francis Norris Adams

Francis Norris Adams

circa 1885
Front of Brewery at Halstead

Front of Brewery at Halstead

circa 1900
New Reading Room on Day of Announcement of Peace in South Africa

New Reading Room on Day of Announcement of Peace in South Africa

1902-06-02
Napier Arms Public House

Napier Arms Public House

circa 1900
Opening of the Halstead Public Garden and Recreation Ground

Opening of the Halstead Public Garden and Recreation Ground

1901-05-27
Fire Brigade Competition, Attwoods, Halstead

Fire Brigade Competition, Attwoods, Halstead

1904-07-20
Partial Eclipse of the Sun

Partial Eclipse of the Sun

1900-05-28
Fire Engine Driving to Attwoods

Fire Engine Driving to Attwoods

1904-07-20
Braggs Guy, Trinity St., Halstead

Braggs Guy, Trinity St., Halstead

1899-11-06
Edgar Tarry Adams' New Carriage Near Dynes Hall

Edgar Tarry Adams' New Carriage Near Dynes Hall

1899-02-23
Brewery workers' children, Halstead

Brewery workers' children, Halstead

circa 1900
Men at Work in the London Brewery

Men at Work in the London Brewery

circa 1900
Coronation Decorations in Halstead

Coronation Decorations in Halstead

1910
Exhaust liquid trap and Inlet bubbler and trap for Polarograph Electrode Module

Exhaust liquid trap and Inlet bubbler and trap for Polarograph Electrode Module

1960-1979
Spectrophotometer module

Spectrophotometer module

1960-1979
Stopcock for Polarograph Electrode Module

Stopcock for Polarograph Electrode Module

1960-1979
Reference Electrode for Polarograph Electrode Module

Reference Electrode for Polarograph Electrode Module

1960-1979
Polarograph electrode module

Polarograph electrode module

1960-1979
Meter module

Meter module

1960-1979
Model 43 smoke stain reflectometer made by Evans Electroselenium Ltd, Halstead.

Model 43 smoke stain reflectometer made by Evans Electroselenium Ltd

"Tortoise" cast iron solid fuel slow combustion stove, for room heatin g, small model, by C. Portway of Halstead, Essex, 1900-1940

"Tortoise" cast iron solid fuel slow combustion stove

1900-1940
Model 43 smoke stain reflectometer and filters made by Evans Electroselenium Ltd, Halstead.

Model 43 smoke stain reflectometer made by Evans Electroselenium Ltd

Clinical flame photometer, model 150, by Evans Electroselenium Ltd., British, c.1960-1970, with 6 boxes of spares

Clinical flame photometer

1960-1970
Portable air compressor, by E.E. Ltd., Model 230, British, c.1960

Portable air compressor

1955-1965
Photoelectric Colorimeter EEL, with set of filters and matched test tubes

Photoelectric Colorimeter EEL

1900-1980
EEL Chloride Meter, complete with extra cuvettes & electrodes & stirrers, operating instruction manual, serial no.92/1704

EEL Chloride Meter

1900-1980
EEL Spectra Spectrophotometer with operating instruction manual, quotation and calibration

EEL Spectra Spectrophotometer with operating instruction manual

1900-1980
Filters for model 43 smoke stain reflectometer made by Evans Electroselenium Ltd, Halstead. 23 paper filters in total, 21 used, two unsued.

filters for smoke stain reflectometer

Set of EEL educational modules for assembly into a spectrophotometer, a pH meter, high-sensitivity polarograph or a low-sensitivity polarograph, by Evans Electroselenium Ltd., Halstead, Essex, England, 1965-1975, comprising nine units

Set of EEL educational modules for assembly into a spectrophotometer

1960-1979
EEL Photoelectric colorimeter wooden box for glass tubes, containing three tubes

EEL Photoelectric colorimeter wooden box for glass tubes

1900-1980
Concentration colorimeter, model 222, by Evans Electroselenium Ltd., British probably c. 1975, with plastic cover

Concentration colorimeter

1970-1980
Spectrometer

Spectrometer

1900-1980
Electrical "Scanner"

Electrical "Scanner"

1900-1980
Battery module, type 207 no. 1025, by EEL (Evans Electroselenium Ltd.), 1965-1975

Battery module

1960-1979
Transformer module, type 206 no. 1025, by EEL (Evans Electroselenium Ltd.), 1965-1975

Transformer module

1960-1979
pH meter module, type 202 no.1020, by EEL (Evans Eletroselenium Ltd.), 1965-1975

pH meter module

1960-1979
Operational amplifier module, type 205 no. 1029, by EEL (Evans Electroselenium Ltd.), 1965-1975

Operational amplifier module

1960-1979
Box containing glass accessories for Polarograph electrode module. One cylindrical glass vessel with flared rim at open end. Two glass cylinders, possibly capillary rods. Writing on box exterior suggests contents are 209 01 018 = 1 Sample Cell and 209 99 001 = 2 Dropping mercury electrode, 7cm. 209 01 024/209 01 026 – Exhaust Liquid Trap is on the label taped to the box lid and written on the box exterior but this has been crossed out. The Exhaust Liquid Trap is in 1985-1527 pt9/7.

Polarograph electrode module accessories

1960-1979
Reference Electrode for Polarograph Electrode Module in box. EEL Catalogue number 209 01 035. Produced by EEL (Evans Eletroselenium Ltd.), 1965-1975

Reference Electrode for Polarograph Electrode Module

1960-1979
EEL Electric Titrator, serial no.49/1396

EEL Electric Titrator, serial no.49/1396

1900-1980
Spectra flow through absorptiometer, by Evans Electroselenium Ltd., possibly 1962, British

Spectra flow through absorptiometer

1962
Polarograph module, type 201 no. 1020, by EEL (Evans Electroselenium Ltd., 1965-1975

Polarograph module

1960-1979