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

The new model, called [[Tempoint]], was a big success and [[Wahl Eversharp]] climbed on top of sales ranking, but the unexpected success involved considerable problems for the production, which was not efficient. That is why the company invested heavily in improving production structures and in [[1921]] launched a new line of metal pens, called [[Wahl Engine Turned|Wahl All Metal Fountain Pen]] for which they have prepared an efficient production line. These pens have not to be confused with an earlier production line, dated between [[1919]] and [[1920]], of overlayed metal pens,<ref>As reported in http://www.fountainpennetwork.com/forum/index.php?s=aca8536317f4b3a8bae7a3774b333542&showtopic=199</ref> still using the ''[[Roller Clip]]''.

The new model, called [[Tempoint]], was a big success and [[Wahl Eversharp]] climbed on top of sales ranking, but the unexpected success involved considerable problems for the production, which was not efficient. That is why the company invested heavily in improving production structures and in [[1921]] launched a new line of metal pens, called [[Wahl Engine Turned|Wahl All Metal Fountain Pen]] for which they have prepared an efficient production line. These pens have not to be confused with an earlier production line, dated between 1919 and 1920, of overlayed metal pens,<ref>As reported in http://www.fountainpennetwork.com/forum/index.php?s=aca8536317f4b3a8bae7a3774b333542&showtopic=199</ref> still using the ''[[Roller Clip]]''.

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