This UNIS tbm is not a Yugoslavian-designed typewriter. It was actually
designed for Olympia Werke in Wilhelmshaven, West Germany, in 1969, by Alfons
Boothby and Georges Joseph.
But this version of the Olympia Traveler de Luxe was made in Yugoslavia, by
Udružena Metalna Industrija Sarajevo (UNIS, or United Metal Industries in
Croatian) of Sarajevo at its tvornica biro mašina (tbm, office machine factory)
in Bugojno (below).
Bugojno, once a major industrial center, is 81 miles north-west of Sarajevo,
in central Bosnia and Herzegovina on the river Vrbas. Production of the UNIS
tbm and Yugoslavian OTDL continued at least until the late 1980s.
Boothby and Joseph were issued with a US patent for their design in March
1971. It had been patented in Germany in April 1969. It was influenced by Carl
Sundberg's design of the Remington Monarch and one of Karl Tillman Baughman's
designs.
Olivetti later acquired this design and adapted it to make its Tropical and
Roma portable typewriters in Brazil.
The same original casing design was used for the Olympiette 2 and 3, which
were made by Nakajima in Japan with different mechanism.
Strictly speaking, Yugoslavia was not an Iron Curtain country at the time
these typewriters were made.