The Wilkinson Bonded is a great razor Jim! Very light razor that shaves similar to an injector with a wider blade, but they are very smooth shaver and the blades last a long time. The refills are a bit pricey, but if you're patient good deals do come up. I think this was the first of the cartridge razors too
One guy's opinion: if I had to pick only one cartridge razor to use for the rest of my life, possibly replacing everything else, this would be it. It was that good. Trac II is in 2nd place.
I have one and use it regularly, and it was the first cartridge razor. Released in 1970, a year before the Trac II.