General Information

Serial #

116

Part Number

1

Total Parts

1

AKA

N/A

Patents

N/A

General Description

FERROUS METAL WITH NON-FERROUS METAL PARTS/ GLASS DIAL COVER

Dimensions

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

Length

50.0 cm

Width

31.0 cm

Height

45.5 cm

Thickness

N/A

Weight

N/A

Diameter

N/A

Volume

N/A

Lexicon

Group

Printing

Category

Miscellaneous

Sub-Category

N/A

Manufacturer

AKA

PERKINS

Country

United States of America

State/Province

Massachusetts

City

Holyoke

Context

Country

Canada

State/Province

Quebec

Period

Unknown

Canada

EQUIPMENT USED BY CANADIAN GOVERNMENT PRINTING BUREAU.

Function

INSTRUMENT USED TO TEST BURSTING STRENGTH OF PAPER BY APPLYING PRESSURE UNTIL FIBRES BURST ASUNDER. PAPER WAS CLAMPED OVER CIRCULAR DIAPHRAGM, TURNING OF WHEEL FORCED GLYCERINE AGAINST UNDERSIDE OF DIAPHRAGM, WHICH PRESSED AGAINST PAPER WITH INCREASING FORCE UNTIL FIBRES GAVE WAY.

Technical

MULLEN TESTER WAS MOST POPULAR, RELIABLE & EASIEST TO MANIPULATE INSTRUMENT FOR TESTING STRENGTH OF PAPER. THIS VERSION IS VERY CLOSE IN APPEARANCE TO MODEL B PERKINS MULLEN TESTER ILLUSTRATED IN CLAPPERTON 1949 (&PROBABLY 1941 EDITION). IT DIFFERS SIGNIFICANTLY FROM VERSION ILLUSTRATED IN 1927 EDITION (REF 1).

Area Notes

Unknown

Details

Markings

CAST LETTERING ON PLATE READS "STYLE-B/ NO. 116 [INCISED]/ B.F. PERKINS & SON, INC./ MANUFACTURERS/ HOLYOKE, MASS."/ CAST GOLD PAINTED LETTERING READS "THE MULLEN TESTER" ON ONE SIDE, & ON OTHER "PAT. JUNE 8, 1909" & "217"/ INCISED "7307" ON BACK/ GOLD & ORANGE LABEL WITH LOGO READING "B.F. PERKINS & SON INC./ PERKINS/ HOLYOKE/ TRADE MARK REG./ HOLYOKE, MASS. U.S.A."/ BLACK LETTERING ON DIAL READS "THE MULLEN/ PAPER TESTER/ MANF'D BY/ B.F. PERKINS & SON INC./ HOLYOKE, MASS./ U.S.A." & "The/ Ashton Valve Co./ BOSTON, MASS."/ BLACK LABEL READS "O.K. MAY 19/64 G.E."/ *MARKINGS CON'T IN DECORATION

Missing

APPEARS COMPLETE

Finish

PAINTED DARK GREEN PLATED & METALLIC PARTS/ COLOURLESS TRANSPARENT GLASS

Decoration

*MARKINGS: PLATE ON MOTOR READS "A.C. MOTOR/ N.P. 21163-B/ MODEL NO. 29775/ TYPE SA FR 1123 H.P. 1/30/ V 11O A 1.4/ CYC 60/ PH 1/ R.P.M. 1725 TEMP RISE 40 [DEGREES] C. OPEN/ TIME R'T'G. CONT BF/ G.E. CO, U.S.A."