1957 Singer Industrial sewing machine

　　Serial:

　　AM730656

　　Year: 1957

　　Model: 7

　　Quantity : 500

　　Date: April 2

　　©©©©©price Drop©©©©©

　　"Very Rare"

　　Singer 7-33

　　Single needle, lock stitch, is designed for sewing heavy canvas

　　And similar work

　　It is equipped with alternating

　　Pressers, drop feed and long beak

　　Oscillating shuttle on a horizontal

　　axis.

　　It has a clearance of 9/16 inch under the presser feet. Clearance

　　on the bed at the right of the needle is 15-7/8 inches and length of bed

　　Is 25-1/4 inches.

　　Stitch regulation provides for stitches ranging in length from 2 to

　　8 to the inch

　　The machine is regularly fitted with

　　A two-row feed dog which feeds at

　　both sides of the needle.

　　Alternating pressers consist of a

　　vibrating presser foot and a lifting

　　Presser foot working in combination. In operation. The

　　Pressers alternatively press down on the material,

　　the vibrating presser working in unison with the

　　feed, so that there is no slipping of

　　the two or more plies of material

　　which are being sewn.

　　the machine is also equipped with an adjustable edge guide and an

　　automatic bobbin winder.

　　the maximum speed is 550 stitches

　　per minute

　　The Balance wheel should always

　　turn over toward the operator.

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