Modifiche

Da finire.

Da finire.

Riferimenti: [http://www.richardspens.com/ref/profiles/ingersoll.htm], [https://www.fountainpennetwork.com/forum/topic/132529-charles-h-ingersoll/], [], [https://leadheadpencils.blogspot.com/2017/01/the-real-story-of-redipoint.html]

Riferimenti: [http://www.richardspens.com/ref/profiles/ingersoll.htm], [https://www.fountainpennetwork.com/forum/topic/132529-charles-h-ingersoll/], [https://cigarboxpenstorage.wordpress.com/2015/05/19/the-charles-h-ingersoll-dollar-fountain-pen-a-mini-collection/], [https://cigarboxpenstorage.wordpress.com/2015/05/19/the-charles-h-ingersoll-dollar-fountain-pen-a-mini-collection/], [https://www.fountainpennetwork.com/forum/topic/66961-c-h-ingersoll/], [https://leadheadpencils.blogspot.com/2017/01/the-real-story-of-redipoint.html]

<noinclude>==Note==  

<noinclude>==Note==  

<references/>

<references/>