M-5 Sliding Tee and Offset. There are at least 2 variations, although no changes are shown in the catalogs. The 2nd M-5 is a WWII “G” issue, the first obviously carries the earliest logo and is older
M-5 Sliding Tee and Offset. There are 3 basic variations, although no changes are shown in the catalogs. These are:
1.) 1925-1926 – the Sliding Tee had pinched ends
2.) 1926 – 1927? – the Sliding Tee had ball stops
3.) 1928 the diameter increased
a. 1928 – 1929 – the Sliding Tee was larger, the logo size increases and head changed
b. 1930 – 1935 – The logo moved to the ends
c. 1936 – 1939 – Unknown, but maybe “Made in USA” is added
d. 1940 – On – Made in USA, has model number.