I made a fountain pen nib for my tintenkuli! It's origional nib was broken so I decided upon a creative solution to make the pen whope again. It writes very nicely! :
Early Rotring Tintenkuli Black Capillorgaph Pen, Germany (CM1482) | eBay
Tintenkuli (Rotring) 1928 Vintage and Modern versions - OTHER EUROPEAN and ASIAN PENS - Fountain Pen Board / FPnuts
rotring TINTENKULI | visitversailles.org
Rotring Tintenkuli Stylograph Pen & Original Box 1940's | #115799234
Rotring 70th Anniversary Tintenkuli Fountain Pen Available For Immediate Sale At Sotheby's
Tintenkuli [Early Design] | unofficialrotring
Rotring Tintenkuli 1950 -60 er Jahre in Nordrhein-Westfalen - Bergisch Gladbach | Büromöbel gebraucht kaufen | eBay Kleinanzeigen ist jetzt Kleinanzeigen
Wtb: Blind Cap For Tintenkuli Pen - History: Wanted To Trade: Pens, inks, etc. - The Fountain Pen Network
Tintenkuli – Wikipedia
Rotring Tintenkuli in Originalbox | Kugelschreiber | Sonstige Stifte | Antikhandel Nord
VINTAGE ROTRING TIKU TINTENKULI FROM 1940's-1950's GERMANY | eBay
Tintenkuli [Early Design] | unofficialrotring
Yesteryear's Fountain Pens on X: "Vintage "#Rotring Tintenkuli" #FountainPen-Pearl Cherry Red Piston Filler-Box & Papers-Germany c.1930s. https://t.co/b7XYctp1e2 https://t.co/dj0poQcwdl" / X