General Information

Serial #

N/A

Part Number

1

Total Parts

12

AKA

N/A

Patents

N/A

General Description

.1-.11 METAL MICROMETER, RODS, CLIPS/.12 METAL WITH WOOD PART/ WOOD CASE WITH METAL HARDWARE/ PAPER INSTRUCTION SHEET AFFIXED TO LID INTERIOR

Dimensions

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

Length

18.9 cm

Width

11.5 cm

Height

2.6 cm

Thickness

N/A

Weight

N/A

Diameter

N/A

Volume

N/A

Lexicon

Group

Metrology

Category

Length

Sub-Category

N/A

Manufacturer

AKA

LUFKIN

Country

United States of America

State/Province

Michigan

City

Saginaw

Context

Country

Canada

State/Province

Ontario

Period

Unknown

Canada

EXAMPLE OF EQUIPMENT USED AT LARGEST RESEARCH INSTITUTION IN CANADA DURING PERIOD OF ITS MOST RAPID GROWTH, GREATEST PRODUCTIVITY & DURING WHICH IT DEVELOPED WORLD RENOWNED REPUTATION.

Function

CALIPER, OR TWO-PRONGED MEASURING INSTRUMENT WITH ATTACHED SCALE USED TO MEASURE LINEAR DIMENSIONS BETWEEN THEM, THIS TYPE USED TO MAKE PRECISON MEASUREMENTS OF INSIDE DIMENSIONS.

Technical

Unknown

Area Notes

Unknown

Details

Markings

.1 INCISED BLACK LETTERING READING ON MICROMETER HEAD READS "LUFKIN NO. 680", WITH SCALE MARKINGS & NUMBERS/.2-.9 INCISED LETTERING ON RODS READS "LUFKIN" &.2 "1/2 in.",.3 "1 in.",.4 "2 in.",.5 "2 1/2 in.",.6 "3 in.",.7 "3 1/2 in.",.8 "4 in.",.9 "6 in."/.10-.11 INCISED "LUFKIN"/.12 INCISED LETTERING READING "THE LUFKIN RULE CO./ SAGINAW, MICH./ MADE IN U.S.A."/ BLACK LETTERING ON LABEL INSIDE LID READS "No. 680B INSIDE MICROMETER SET - RANGE 1 1/2 TO 12"" & "LUFKIN SAGINAW, MICHIGAN"

Missing

APPEARS COMPLETE

Finish

.1 PLATED? & GREY FINISHED METAL/.2-.9 PLATED METAL/.10-.11 FLATBLACK PAINTED METAL/.12 UNFINISHED WOOD, PLATED METAL

Decoration

N/A