General Information

Serial #

279489

Part Number

1

Total Parts

2

AKA

N/A

Patents

N/A

General Description

ALUMINUM CASE/ STEEL PAN/ GLASS WINDOWS AND DOORS/ SYNTHETIC KNOBS & CORD

Dimensions

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

Length

38.5 cm

Width

37.0 cm

Height

46.0 cm

Thickness

N/A

Weight

N/A

Diameter

N/A

Volume

N/A

Lexicon

Group

Metrology

Category

Mass/weight

Sub-Category

N/A

Manufacturer

AKA

Mettler

Country

Switzerland

State/Province

Unknown

City

Zurich

Context

Country

Canada

State/Province

Ontario

Period

1960S AND 1970S

Canada

EXAMPLE OF A PRECISE MEASURING INSTRUMENT USED IN THE MASS LABORATORY OF THE STANDARDS DIVISION OF THE DEPARTMENT OF TRADE AND COMMERCE IN OTTAWA

Function

USED TO DETERMINE THE MASS OF VERY SMALL SUBSTANCES IN A LABORATORY SETTING. IT HAS A CAPACITY OF 20 GRAMS WITH A SENSITIVITY OF 0.005 MG WITH READABILITY TO 0.001 MG

Technical

THE BALANCE UTILIZES THE CONSTANT LOAD OR SUBSTITUTION METHOD OF WEIGHING IN WHICH WEIGHTS ARE AN INTEGRAL PART OF THE BALANCE & ARE ADDED & SUBTRACTED AS NECESSARY, BY MEANS OFCONTROLS. REMOVING WEIGHTS RATHER THAN ADDING THEM TO COMPARE MASS REDUCES WEAR & STRESS ON PARTS, ESPECIALLY PIVOTS.

Area Notes

Unknown

Details

Markings

.1: MFG'S PLATE ON BACK: 'CSA Mettler [LOGO]/ Type M5/ No. 279189/ Max.load 20g/ 110v 60c 10w/ MADE IN SWITZERLAND'/ PLATE ON FRONT: 'MICRO GRAM-ATIC BALANCE/ Made in Switzerland by E. METTLER Zurich/ Distributed by/ FISHER SCIENTIFIC COMPANY/ Pittsburgh-New York-St. Louis-Washington-Chicago-Montreal-Toronto/ No.1-912'/ STICKER ON BOTTOM FRONT: 'Distributed and Serviced by/ FISHER SCIENTIFIC'/ DYNOTAPE: 'LB 295'/ NUMBERS AROUND KNOBS AND ON DIALS/ STICKER INSIDE IN 4 LANGUAGES: 'Weights are adjusted at air-density of 1200 mg/1/ to an apparant mass with density of 8.4 g/cm'/ STICKER: 'INDUSTRY CANADA/ [BAR CODE]/ 971215'/ NOTE AFFIXED TO BALANCE (NOW IN S.I. FILE) READS: 'SENSITIVITY 20G/.0994 MG/DIV./.00154 GRAIN/DIV'

Missing

WEIGHTS; CHAMOIS SKIN; CAMEL HAIR BRUSH; NYLON GLOVES; PLASTIC COVER; AND SPARE LAMP [REF 1]

Finish

CASE: WHITE BAKED ENAMEL; BRUSHED METAL FRONT PANEL; BLACK KNOBS

Decoration

N/A