The Typewriter Database

To find out when your typewriter was made, start by choosing the brand from the select box below.

Select Brand:

Green Serial #'s • Black notes, no #'s • Grey no info.

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Typewriter Repair: Printed ManualsPDF ManualsQuick References


Princess (Keller und Knappich) Typewriter Model Photo Galleries

100, 200, 300, 400, 500, Exemplar 300, Princess, Standard

Princess (Keller und Knappich) Princess Typewriters by Year then Serial Number

1949 Princess (Keller und Knappich) Princess Typewriters by Serial Number