Theatre Design & Technology - May 1968 - 38

Fig. 23 Construction shot of revolving auditorium in the castle gardens, Bohemian Krumlov', Czechoslovakia.

Fig. 24 Finished revolver, Bohemian Krumlov, Czechoslovakia.

REVOLVING BLEACHERS New artistic dimensions for openair performances are now made possible with movable turnable bleacher seats. This new concept was independently
developed in Finland and Czechoslovakia in 1959. At the
Krumlov Festivals in Czechoslovakia, amphitheatrical revolving
bleachers with 570 seats were first used. Various views of
the park in which it is situated are used for changes of
scenery as the play proceeds. Fig. 23 and 24 show construction details and the final set-up. The total weight is
66.6 tons of which about 25.5 tons are its own weight.
The whole turntable can be moved in both directions with a
variable speed from .82 feet to 4.9 feet per second.
The Finnish design is located in Tammerfors and holds 800
seats. The overall diameter is 65.5 feet (See Fig. 25).
This book attempts to show modern-day theatre construction
in which steel has aided and fulfilled some dreams of architectural designs, as well as advanced technological objectives.

J. Hans Kluge

Fig. 25 Outdoor theatre at Tampere, Finland. with revolving auditorium.

(All illustrations courtesy of Stahlberatung Dusseldorf)

Recent Patents
3,267,274
TELEVISION AND FILM STUDIO LAMP
Samuel Lewis Jobnson, London, England, assignor to
Mole-Richardson (England) Limited, London, England,
a Britisb company
Filed Nov. 26, 1963, Ser. No. 325,923
Claims priority, application Great Britain, May 8, 1963,
18,239/63
5 Claims. (Cl. 240-3)
1. Studio lamp adaptable for use alternatively as a
flood lamp or a spot lamp comprising a bowl reflector having an aperture in the back thcreof, a lens close to the aperture in the back of the bowl and positioned to transmit
light passing out of the bowl by way of the said aperture, a
lamp holder for supporting a lamp bulb within the bowl
reflector on the axis of the lens, a concaye mirror on the
opposite side of the bulb to the lens which directs light
from the bulb towards the lens, a diffusing bowl and a
movable support means for the diffusing bowl, the bowl
being movable from a position between the lamp bulb and
the lens, which it occupies when the lamp is adapted to be
used as a flood lamp, to a position where the passage of

38

_
!

light from the concave mirror to the lens is unobstructed
thereby. when the lamp is adapted to be used as a spot
lamp.

THEATRE DESIlN AND TECHNOLOOY



Table of Contents for the Digital Edition of Theatre Design & Technology - May 1968

Contents
Theatre Design & Technology - May 1968 - 1
Theatre Design & Technology - May 1968 - 2
Theatre Design & Technology - May 1968 - 3
Theatre Design & Technology - May 1968 - Contents
Theatre Design & Technology - May 1968 - 5
Theatre Design & Technology - May 1968 - 6
Theatre Design & Technology - May 1968 - 7
Theatre Design & Technology - May 1968 - 8
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Theatre Design & Technology - May 1968 - 14
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Theatre Design & Technology - May 1968 - 18
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Theatre Design & Technology - May 1968 - 37
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