Halda No.4 Typewriter
Yes, there were three models of the Halda produced before the No.4, but they were all prototypes and are now in a museum's collection. The No.4 was thus the first to be commercially produced. It was invented by Henning Hammarlund and produced in Svängsta, Sweden by Halda Manufacturing Limited, ca.1902. Halda No.4 models were labeled "Halda-Fickurfabrik" across the front. They were upstrike typewriters just like early Densmores.
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