Bit, unidentified

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OBJECT TYPE
TWIST/JENNINGS/SCREW LEAD
DATE
1900–1950
ARTIFACT NUMBER
2004.1517.001
MANUFACTURER
Gilmore, G.
MODEL
4
LOCATION
Unknown

More Information


General Information

Serial #
N/A
Part Number
1
Total Parts
1
AKA
N/A
Patents
N/A
General Description
metal (probably steel)

Dimensions

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

Length
20.7 cm
Width
N/A
Height
N/A
Thickness
N/A
Weight
N/A
Diameter
N/A
Volume
N/A

Lexicon

Group
Industrial Technology
Category
Tools-Hand
Sub-Category
N/A

Manufacturer

AKA
Gilmore
Country
Unknown
State/Province
Unknown
City
Unknown

Context

Country
Canada
State/Province
Ontario
Period
Presumably used c. late 1890s- late 1940.
Canada
Part of a collection of hand tools belonging to James Anthony (1883-1966), an English born and trained carpenter who came to Canada c. 1910 and worked in and around Ottawa, ON. Following the 1916 fire which destroyed the Parliament buildings and damaged the Library, Mr. Anthony was hired as a foreman with the restoration crews. Until 1920, he was involved in the rebuilding of the Peace Tower and the installation of new windows at the Library of Parliament. He later worked with various builders in the Ottawa area, retiring in the late1940s. After his death in 1966 the tools were given to his son Jack, who in turn donated them to CSTMC. [Ref. 1]
Function
Used for boring, reaming and other purposes.
Technical
Gedge's pattern auger bit was developed in England. This was one of the bit styles that influenced the necessity for stronger [iron] braces with improved bit-gripping devices. The other style was the American Jennings bit, a double twist auger bit with a spur on each cutting lip. This permitted the cutting of deeper, cleaner and larger holes than English centre bit was capable of. [Ref. 2, p. 442]
Area Notes
Unknown

Details

Markings
" G. GILMORE " and " 4 " stamped into bit.
Missing
None.
Finish
Silver metal [probably steel]; surface rust.
Decoration
N/A

CITE THIS OBJECT

If you choose to share our information about this collection object, please cite:

Gilmore, G., Bit, unidentified, circa 1900–1950, Artifact no. 2004.1517, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/2004.1517.001/

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