The C Series (Ignition Series)

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pliers
Catalog drawing and the actual tools

The C series replaced the C series and are standard open end wrenches with 15 degree angles on one side and zero degree on the other side. They are marked Blue Point. These existed in the 1937 and 1948 catalogs, but it is likely they existed well before 1937. I know they were not in the 1953 catalog, so between 1949 and 1952 they were dropped. They were Ignition Wrenches
Designed for ignition, carburetor, radio, and other tiny assemblies. 

In the photo, the catalog drawing is shown and the set is below. I have a collection of tools and the bottom photo shows the variations (In the order I think runs earliest to latest) in the labels.  There are no date stamps other than the last one is stamped 1954. This is outside the listed range

Stock No

Straight Opening Size

Angled Opening Size

Date range

C-1415

7/32

13/64

1935-1953

C-1514

13/64

7/32

1935-1953

C-1618

¼

9/32

1935-1953

C-1816

9/32

¼

1935-1953

C-1719

17/64

19/64

1937-1953

C-1917

19/64

17/64

1937-1953

C-2022

5/16

11/32

1935-1953

C-2220

11/32

5/16

1935-1953

C-2428

3/8

7/16

1935-1953

C-2824

7/16

3/8

1935-1953

Whitworth sizes.  These tools first appear in the 1939 catalog, but must have been available on request.

Stock No

Size

Date range

WC-12

7BA & 6BA

1939

WC-21

6BA & 7BA

1939

WC-34

5BA & 4BA

1939

WC-43

4BA & 5BA

1939, 1958 -1960 - 1965

WC-56

3BA & 2BA

1939

WC-65

2BA & 3BA

1939, 1958 - 1960 - 1965

WC-75

1BA & 0BA

1939

WC-87

0BA & 1BA

1939

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