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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]]''.

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]], promoving them as capable to alleviate the wear on the edges of the pockets thanks to their peculiar ''[[Roller Clip]]''.