Dating craftsman planes
Thanks to the invention of planes, a moderately skilled workman could produce the same quality carpentry that previously had taken a master...
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Some have grooves some don't, here I assume it has to do with preventing either a 'suction' of two large flat surfaces or just a way to help prevent dust and bits getting caught under the plane and affecting it's use.
Now I happen to have a picture of the 2 I bought below, but think of it more as an example.
Metal ones should have a knob and a tote(handle) and the body would hide the plane iron inside ( as supposed to something like a rabbet plane.).
Wooden one might not have a knob but would be about the same length.
A plane, or hand plane, is a device that holds an iron chisel in a fixed position so wood can be evenly removed from the surface of a board.
Again, this list is not meant to be extensive as there are many other types and some specialty types.
They are also shorter than a jointer plane but tend to be larger than the smoother. used before a jointer or a smoother depending on the project.
Jointer These are some of the easier ones to spot as they are the family of long planes given there nature of true up panel faces and edges.
Easy to spot, if the set is near complete, as you will find many additional parts depending on what you want to do with it at any given moment in time.
These planes can usually be identified by the multiple fences and fence attachments.