General Information

Serial #

263499

Part Number

1

Total Parts

1

AKA

N/A

Patents

N/A

General Description

CAST IRON CASE/ WOODEN INNER BASE FOR GLASS VIALS/SYNTHETIC SCALE/ BRASS AND COPPER WORKING PARTS/ PAPER INSTRUCTION SHEET

Dimensions

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

Length

43.0 cm

Width

11.5 cm

Height

8.0 cm

Thickness

N/A

Weight

N/A

Diameter

N/A

Volume

N/A

Lexicon

Group

Energy-electric

Category

Measurement

Sub-Category

N/A

Manufacturer

AKA

REASON

Country

England

State/Province

Unknown

City

Brighton

Context

Country

Worldwide

State/Province

Unknown

Period

PROBABLY EARLY PART OF THE CENTURY

Canada

Unknown

Function

IS USED FOR REGISTERING THE MAXIMUM AMPERE DEMAND OF APPRECIABLE DURATION IN ANY ELECTRICAL CIRCUIT. IT MAY BE USED ON EITHER CONTINUOUS OR ALTERNATING CURRENT CIRCUITS, & RECORDS THE MAXIMUM CURRENT WHICH AS PASSED THROUGH IT AT ANY TIME SINCE IT WAS LAST SET. [REF 1]

Technical

MAXIMUM LOAD INDICATORS WERE DEVELOPED IN AN ATTEMPT TO DETERMINE AND CHARGE THE CUSTOMER IN RELATION TO THE MAXIMUM AMOUNT OF ELECTRICITY REQUIRED OVER A GIVEN PERIOD OF TIME. A CUSTOMER WAS GIVEN A DIFFERENTIAL RATE ACCORDING TO HIS MAXIMUM USE AND THE ACTUAL AMOUNT USED. [REF 1]

Area Notes

Unknown

Details

Markings

CAST IN LID: 'MADE IN ENGLAND/ WRIGHTS PATENT/ DEMAND INDICATOR/ REASON BRIGHTON'/ PRINTED ON SCALE: 'THIS SCALE INDICATES THE MAXIMUM CURRENT USED IN AMPERES./ 263499/ [NUMBERED FROM] 2 [TO] 10'/ STAMPED ON TUBE HOLDER: '1 1/16 [?]0.006'/ PAPER LABEL AFFIXED TO INSIDE OF LID READS IN PART: 'INSTRUCTIONS/ (1) Hang up instrument vertically.../ (2) Reset to zero.../ (3) Examine legs of tube for air bubbles..../ (4) To remove air bubbles, gently heat...'

Missing

SCALE THAT INDICATES THE KILOWATT HOURS FOR WHICH THE CONSUMER MUST PAY AT FULL RATE.

Finish

CAST PAINTED GLOSS BLACK/ WOOD STAINED AND VARNISHED/ BRASS LACQUERED/ SCALE: WHITE BASE WITH BLACK PRINTING

Decoration

N/A