The first commercially wax foundation, in USA 1876, produced by A.I. Root, had imprints for 5 cells per inch for worker cells, a little less than 5.1 mm cell size. That was said to be an average of cell sizes
The first commercially wax foundation, in USA 1876, produced by A.I. Root, had imprints for 5 cells per inch for worker cells, a little less than 5.1 mm cell size. That was said to be an average of cell sizes