Friends of the Zeiss is dedicated to five primary goals:
I. To preserve and maintain two
historic scientific instruments and associated apparatus and artifacts
originated at The Buhl Planetarium and
A. Zeiss II Planetarium Projector, now the oldest operable major planetarium projector in the world; also, the "Worm-Gear" Elevator, custom-built by the Westinghouse Electric Corporation, for raising and lowering the Zeiss II Planetarium Projector, the first elevator in the world specifically built and designed to raise and lower a planetarium projector.
B. Ten-Inch Siderostat-Type Refractor Telescope, one of the largest of its unique type; specifically designed for public use.
C. Associated apparatus and artifacts related to
the operation of The Buhl Planetarium and
II. To operate and/or display these instruments and associated apparatus and artifacts to the general public.
III. To provide public programs in
science education for the benefit of the citizens of
IV. To educate the public regarding the significance of The Buhl Planetarium and Institute of Popular Science and these instruments and associated apparatus and artifacts to the history of science education and to the history of Pittsburgh, Allegheny County, and Western Pennsylvania.
V. To raise funds for the preservation, rehabilitation, maintenance, and operation of these instruments and associated apparatus and artifacts and for the operation of educational programs for the public.