While it's virtually impossible to collect every Gillette razor that was made (not counting that cat in Deutschland), I'm pretty happy to have locked down a certain segment. I do believe I have acquired every direct predecessor to the Super Speed, and here they are:
1937 Sheraton and 1938 Senator
1941 Ranger Tech and Milord
1946 Ranger Tech and Milord
Which all lead up to this:
1937 Sheraton and 1938 Senator
1941 Ranger Tech and Milord
1946 Ranger Tech and Milord
Which all lead up to this: