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Slotted Clamping Screw

Description

Slotted and knurled screw for use with Singer buttonholer attachment. The screw is used to affix this attachment to the machine presser bar. The buttonholer manual (2010.17.2.6) lists this screw as Part no. 140530.

Details

Maker
Probably The Singer Manufacturing Co. (Manufacturer)
Date
ca. 1950
Material
steel (alloy)
Object type
Metalworking T&E
Places
United States
Descriptive terms
clamping screws
Screw
steel (alloy)
Accession Number
2010.17.2.5
GUSN
244666

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