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1948-49 Theatre Catalog, 7th Edition, Page 380 (367)

1948-49 Theatre Catalog, 7th Edition
1948-49 Theatre Catalog
1948-49 Theatre Catalog, 7th Edition, Page 380
Page 380


1948-49 Theatre Catalog, 7th Edition, Page 380

* theatre dimmers

A NEW AUTRASTAT DIMMER



New Radial Type Autrastat Dimmer for theatre lighting control has all the

desirable features of the rectangular type (continuous duty at any setting . . low core loss . . . and low operating

lamp voltage independent of load . . . uniform dimming curve . .

temperatures) plus several outstanding improvements.

RADIAL TYPE

Designed for manual or remote operated applications, Radial Type Autrastat is available in all types of

mounting and frameworks. Its toroidal core and coil reduce core losses to an absolute minimum .

. . permit

more ethcient operation. Large solid brass contacts give greater capacity (better commutation without oxidation). Multiple shoe conscruction of silver graphit%self-lubricating and self-cleaning-assures good arcless contact. Oil-less center bearing reduces operating torque to a minimum and lowers maintenance cost.

Available in capacities up to 8000 watts in a single unit.

one million watts.



RADIAL TYPE BANK

AUTRASTAT DIMMER BANKS Auto - transformer TYPE RD type dimmers op- INTERLOCKING

erating on 110-120 volt 50-60 cycles A.C. Voltage applied to lamp circuit can be adjusted for any intensity. May be interlocked and arranged in banks for manual or motor drive. Ideal for Controlite (composite stage switchboard) construction. Write for Bulletin 76.

DIMMER BANKS



Resistance type dimmers assembled in frames for floor, wall or other types of mounting. Each dimmer plate equipped with interlocking lever for master control or grand master control of several tiers of dimmers. Double interlocking masters and worm wheel, slow motion cross control

TYPE 8RD may be had. Write for Bulletin 72.

NON-INTERLOCKING DIMMERS TYPE .D DIMMERS

Resistance type for small theatres, churches, etc-for front or rear of wall mounting. When ordering, specify

Resistance type, suitable for portable switchboards or motion picture studios. May be arranged for wall or floor mounting. Write for Bulletin 71.



type of mounting, total wattage of connected load, voltage, whether two or three wire. Write for Bulletin 71.

WARD LEONARD DIMMERS HAVE BEEN EXCLUSIVELY SPECIFIED FOR ALL INSTALLATIONS DESIGNED BY JOHN AND DREW EBERSON.





WARBILEBQARD Eggs.

ELECTRIC COMPANY

OFFICES IN ALL PRINCIPAL CITIES

WARD LEONARD

56 SOUTH STREET, MOUNT VERNON, N. Y. 0

1948-49 THEATRE CATALOG

Radial Type Autrastat Dimmer Bank, with oil hydraulic slow-motion cross control, typical of large auditorium installation. Bank shown has a capacity of more than

REACTANCE DIMMER BANKS



Hysterset ("Electronic") reactance type dimmers for Theatre Lighting Control have miniature control devices permitting use of small pilot control switchboards of desk, Console or panel type. As many pre-set controls may be provided as the system and installation warrant. No heavy moving parts - minimum of maintenance. The most modern system for the modern theatre. Write for Bulletin 74.



To llu'HUd/B inquiry re [/30 (lb/1w, [)lwrr men/inn llw mil/mo and [mgr rmmbur.
1948-49 Theatre Catalog, 7th Edition, Page 380