Apart from the still very primitive constructions present until the first years of 1900, which still provided for some companies (such as [[Swan]] and [[Onoto]]) the presence of the so-called [[overfeed]] the canonical shape of the feed as an element placed under the nib has been developing quite quickly. | Apart from the still very primitive constructions present until the first years of 1900, which still provided for some companies (such as [[Swan]] and [[Onoto]]) the presence of the so-called [[overfeed]] the canonical shape of the feed as an element placed under the nib has been developing quite quickly. |