Dating stanley 110 plane
The original type study doesn't mention this - It's about this time that the brass nuts used to secure the knob and tote to the rods undergo a change.
They now have a waist to them whereas the earlier ones are cylindrical over their length.
A lot of these planes are broken about the vertical rib, so it was a weak design that was soon dropped. It has two patent dates, "2-8-76" and "10-21-84", stamped into it, along with the word "STANLEY".
The lateral lever is a one-piece construction, with its portion that engages the slot in the iron being straight across.
The first version of the logo has "NEW BRITAIN," "CONN. The next version, dating from 1921-1922, just has "MADE IN U. A" below the heart, in one line that is longer than the length of the notched rectangle.
A series of logo changes are found on these planes.
These new logos are know as the "sweetheart" logo in the tool collecting biz.
This isn't in the original type study - Some of the lever caps can be found with the outline of the sweetheart logo cast into the backside.
I've only noted one of these planes, a #5, with this lever cap.
Its iron is stamped with the first sweetheart trade- mark.