General Information

Serial #

38255

Part Number

1

Total Parts

2

AKA

N/A

Patents

N/A

General Description

.1 FERROUS METAL FRAME; BRASS? STAGE WITH GLASS PANEL; METAL & SYNTHETIC PARTS; SYNTHETIC OR FABRIC WIRE COVERING; CERAMIC OR SYNTHETIC KNOB/.2 METAL CASING, SYNTHETIC KNOB

Dimensions

Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.

Length

45.0 cm

Width

33.0 cm

Height

28.0 cm

Thickness

N/A

Weight

N/A

Diameter

N/A

Volume

N/A

Lexicon

Group

Chemistry

Category

Test-measurement equipment

Sub-Category

N/A

Manufacturer

AKA

Hilger

Country

England

State/Province

Unknown

City

London

Context

Country

Canada

State/Province

Ontario

Period

C. 1938 +

Canada

INSTRUMENT USED BY HEALTH CANADA, DEPARTMENT OF GOVERNMENT OF CANADA.

Function

GENERALLY, INSTRUMENT CAPABLE OF MEASURING LIGHT EMITTED, TRANSMITTED OR REFLECTED BY MINUTE OBJECTS. THIS EXAMPLE WAS USED FOR EMISSION & ABSORPTION SPECTRA WHERE READINGS ON FEW LINES ONLY IN SPECTROGRAM ARE REQUIRED (REF. 1).

Technical

INFORMATION COULD BE OBTAINED MORE QUICKLY THAN WITH RECORDING MICROPHOTOMETER & INITIAL COST WAS MUCH LESS, MAKING APPLICATION OF MICROPHOTOMETRY MORE ECONOMICALLY POSSIBLE. THIS APPARATUS COULD BE ADAPTED TO MATCH POINTS IN ABSORPTIONSPECTROPHOTOMETRY; THEREFORE IT WAS VALUABLE FOR LABS WHERE BOTH ABSORPTION & EMISSION WORK WERE DONE.

Area Notes

Unknown

Details

Markings

.1 CAST LETTERING ON BASE READING "ADAM HILGER LTD. LONDON ENGLAND"; PLATE ON FRAME FRONT READS "No/ H.451.303/ 38255"; INCISED LETTERING ON CASING OF ATTACHED PHOTOCELL UNIT READS "No/ H.405.303/ 38274" WITH LOGO READING "AH/LTD" WITHIN CIRCLE/.2 INCISED LETTERING ON CASING FRONT READS "No/ F.1044.301/ 38215" & "ADAM HILGER Ltd./ LONDON/ MADE IN ENGLAND"

Missing

APPEARS COMPLETE

Finish

.1 FRAME PAINTED GLOSSY GREY-GREEN; BLACK WRINKLE FINISH ON STAGE; FLAT BLACK PAINTED, BRASS COLOURED, BRUSHED & METALLIC PARTS; COLOURLESS TRANSPARENT GLASS; WHITE KNOB; COPPER COLOURED CONTACT SCREWS; BROWN WIRE COVERING & SYNTHETIC BLOCKS/.2 DARK BROWN SYNTHETIC CASING WITH BLACK PAINTED METAL BACK & HARDWARE; COPPER COLOURED CONTACT SCREWS; BLACK KNOB; BROWN WIRE COVERING

Decoration

N/A