Modifiche

In 1917, continuing with its policy of expansion, the [[Eversharp|Wahl Eversharp]] acquired the ''[[Boston Pen Company]]'', a company that already started producing good fountain pen in hard rubber characterized by a clip wheel. The pens were marketed branded [[Eversharp|Wahl]], promoting as capable to alleviate the wear on the edges of the pockets thanks to their peculiar ''Roller Clip''.

In 1917, continuing with its expansion policy, [[Wahl Eversharp]] acquired the ''[[Boston Fountain Pen Company]]'', a company that already started producing good hard rubber fountain pen characterized by a wheel clip. The pens were market branded ad [[Wahl Eversharp|Wahl]], promoting them as capable to alleviate the wear on the edges of the pockets thanks to their peculiar ''[[Roller Clip]]''.