General Information

Serial #

134

Part Number

1

Total Parts

1

AKA

N/A

Patents

N/A

General Description

WHITE METAL ALLOY PROBE OR SPIKE; CAST ALUMINUM DIAL CASING & COVER; SYNTHETIC WINDOW OVER WHITE METAL DIAL FACE; BURLAP STRIP INSIDE PROBE. CW WOODEN DISPLAY BASE, WITH BRASS-COLOURED PLAQUE.

Dimensions

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

Length

47.0 cm

Width

12.5 cm

Height

4.0 cm

Thickness

N/A

Weight

N/A

Diameter

N/A

Volume

N/A

Lexicon

Group

Metrology

Category

Miscellaneous

Sub-Category

N/A

Manufacturer

AKA

ROMARE

Country

United States of America

State/Province

Wisconsin

City

Madison

Context

Country

Canada

State/Province

Unknown

Period

THIS TYPE OF HYGROMETER USED C. 1920S+.

Canada

PRESENTED TO DONOR IN APPRECIATION FOR HIS ADDRESS TO THE CANADIAN FORESTRY SERVICE HOSTED LUNCHEON, FIRST INTERIOR WEST FIRE COUNCIL ANNUAL MEETING AND WORKSHOP, KENENASKIS VILLAGE, ALBERTA OCTOBER 25, 1988. THIS TYPE OF INSTRUMENT USED THROUGHOUT CANADA AND U.S.

Function

TO MEASURE MOISTURE CONTENT OF DUFF, THE LAYER OF DEAD PLANT MATERIAL ON FOREST FLOOR, IN ORDER TO PREDICT FLAMMABILITY.

Technical

EXAMPLE OF SIMPLEST MECHANICAL TYPE OF HYGROMETER. A BURLAP STRIP ENCASED IN THE PERFORATED METAL SPIKE CONTRACTS WHEN THE RELATIVE HUMIDITY OF THE DUFF (IN WHICH THE SPIKE IS PLANTED) INCREASES: THE STIP IS ATTACHED TO A SPRING AND DIAL (SCALE). MOISTURE CONTENT OF THE DUFFINDICATES FLAMMABILITY & THUS FOREST FIRE HAZARD

Area Notes

Unknown

Details

Markings

Plate fixed to dial casing reads " E.J. ROMARE/ 2141 HOLLISTER AVE./ [blank] MADISON, WIS. USA ". Scale on dial face divided <1 to >9, in increments of 1/5th. " No. 134 " incised, below. Other markings, crudely incised, not legible. Incription on PT base reads " Presented to/ HERBERT W. BEALL/ in appreciation for his address to the/ Canadian Forestry Service Hosted Luncheon./ First Interior West Fire Council/ Annual Meeting and Workshop./ Keneneskis Village, Alberta./ October 25, 1988./ DUFF HYGROMETER, circa 1928. ".

Missing

NONE.

Finish

BLACK WRINKLE FINISH ON INSTRUMENT DIAL CASING; BRUSHED SILVER METAL DIAL FACE; OPAQUE SYNTHETIC WINDOW OVER DIAL; BRIGHT SILVER METAL PROBE. LIGHT BROWN STAIN ON WOODEN BASE; BRUSHED BRASS-COLOURED PLAQUE.

Decoration

N/A