General Information

Serial #

N/A

Part Number

1

Total Parts

12

AKA

N/A

Patents

N/A

General Description

.1 NON-FERROUS METAL WITH FERROUS METAL PEN/.2-.8 FERROUS METAL/.9 WOOD & FERROUS METAL/.10 GLASS/.11 BRASS, FERROUS METAL, WOOD/.12 BRASS/ NATURAL FIBRE CORD ON.1/ WOOD CARRYING CASE WITH METAL HARDWARE

Dimensions

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

Length

N/A

Width

N/A

Height

N/A

Thickness

N/A

Weight

N/A

Diameter

N/A

Volume

N/A

Lexicon

Group

Industrial Technology

Category

Power sources

Sub-Category

N/A

Manufacturer

AKA

Crosby

Country

United States of America

State/Province

Massachusetts

City

Boston

Context

Country

Canada

State/Province

Manitoba

Period

BETWEEN TWO WORLD WARS (C. 1918-1939)

Canada

INDICATOR BELONGED TO DONOR'S FATHER, A SCOT WHO CAME TO WINNIPEG FROM CHICAGO DURING WWI. HE WAS A FEDERAL GOVERNMENT EMPLOYEE& WAS RESPONSIBLE FOR MANY GOV'T PROJECTS INVOLVING THE INSTALLATION & TESTING OF STEAM EQUIPMENT BETWEEN THE WORLD WARS. MR. MCRAE SAW THE INDICATOR IN USE WHEN HE ACCOMPANIED HIS FATHER ON HIS ROUNDS.

Function

A TEST INSTRUMENT WHICH PROVIDES AN AUTOGRAPHIC RECORD OF THE PRESSURE VOLUME MEASUREMENT OF THE STEAM WITHIN THE CYLINDER OF A STEAM ENGINE AS THE ENGINE GOES THROUGH ITS CYCLE OF OPERATIONS (2). THIS EXAMPLE WAS USED IN THE INSTALLATION & TESTING OF STEAM EQUIPMENT.

Technical

ONE OF SEVERAL TYPES OF STEAM ENGINE INDICATOR WHICH ARE SIMILAR IN PRINCIPLE, INCLUDING THOMPSON, TABOR, & CROSBY INDICATORS

Area Notes

Unknown

Details

Markings

.1 INCISED 'CROSBY STEAM GAGE/ & VALVE CO. BOSTON', WITH PATENT DATES & '246'; SINGLE PATENT DATE INCISED ON ATTACHED PART/.2-.3 INCISED '20'/.4-.5 INCISED '40'/.6 INCISED '60'/.7-.8 INCISED '80'

Missing

PEN NIB/ ADAPTERS/ INSTRUCTION BOOK/ CHARTS

Finish

PLATED & BRASS COLOURED METAL/ METALLIC PARTS/ BLACK PAINTED WOOD/ COLOURLESS, TRANSPARENT GLASS/ BROWN STAINED & VARNISHED CASE

Decoration

N/A