Models VI, VI-A, VI-TD

Made in Oberkochen (FRG) 1968-1997

Model VI: 9 copies

Model VI-A: with added automatic control (5 copies)

Model VI-TD: for tilted dome (2 copies)

- 1968: Rochester (Strasenburgh)

- 1969: Chapel Hill (Morehead), New York (Hayden)

- 1970: Chicago (Adler)

- 1971: Boston (Hayden)

- 1975: Boulder (Fiske)

- 1976: Washington (model VI-A)

- 1977: Stuttgart (model VI-A)

- 1980: Hong Kong (model VI-A)

- 1983: Hamburg

- 1984: Riyadh (model VI-A)

- 1984: Mannheim

- 1985: Santiago

- 1989: Copenhagen (model VI-TD)

- 1993: Pamplona (model VI-A)

- 1997: Taipei (model VI-TD)

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