The SciencesMarch 2, 1912
Fountain Pen Manufacture
Making the Iridium-tipped Gold Pen Points
Stories by Dou*amp*gacute;las T. Hamilton
The SciencesFebruary 24, 1912
Fountain Pen Manufacture
How One and a Half Million Pens are Made Annually
Fountain Pen Manufacture
Making the Iridium-tipped Gold Pen Points
Fountain Pen Manufacture
How One and a Half Million Pens are Made Annually