Stanley Slitter with patent date (JPF C-12)

Patented Stanley slitter for various combination planes - Millers Patent, No45, No46, and No55. This patented slitter was featured on pre-1907 versions of the Stanley No45. It was also OEM on some of the other combo planes listed above, between 1883 - 1907

to learn more about slitters, go here: https://youtu.be/iHcTLICeG9o?si=T2LRw32jB218yHyG