PENNSYLVANIA MOWER - how old is it?
Mowing Wurzel
My father has just become the custodian of this Ball Bearing Pennsylvania Mower.
Looking online it seems Supplee Hardware introduced a Ball bearing model in 1900, and from what I read a third to half a century later, mowers of similar designs were still being produced.
It would be good to have any info on how to date it, most catalogue advertisements don't show the box or plate.

The machine in this…
The machine in this catalogue is very similar - 1922 - Beckert's seeds - Biodiversity Heritage Library