The London Twin-Wave Broadcasting Station
Brookmans Park

The Principal Contractors

CONSTRUCTION OF BUILDINGS
Messrs. The Anglo-Scottish Construction Co., Ltd.

WIRELESS TRANSMITTERS
Messrs. Marconi's Wireless Telegraph Co., Ltd.

MAIN ELECTRICAL PLANT
Messrs. The English Electric Co., Ltd.

DIESEL ENGINES
Messrs. Ruston & Hornsby Ltd.

TELEPHONE CABLES
The General Post Office

STORAGE BATTERIES
Messrs. The D.P. Battery Co., Ltd.

MAIN WIRING
Messrs. Drake & Gorham Ltd.

AUXILIARY ELECTRICAL PLANT
Messrs. Haslam & Newton Ltd.

HEATING AND VALVE-COOLING PLANT
Messrs. Rosser & Russell Ltd.

MASTS
Messrs. The Foundation Co., Ltd.

TELEPHONES AND ALARM SYSTEMS
Messrs. Ericsson Telephones Ltd.

CONDENSERS
Messrs. The Dubilier Condenser Co., Ltd.
Messrs. The Telegraph Condenser Co., Ltd

CHOKES
Messrs. Johnson & Phillips Ltd.

Messrs. Ferranti Ltd.

PORTLAND STONE
Messrs. United Stone Firms Ltd.

CASEMENTS
Messrs. Crittall Manufacturing Co., Ltd.

CRANES
Messrs. Herbert Morris Ltd.

OAK FLOORING
Messrs. Burke & Co.

ELECTRIC CLOCKS
Messrs. The Synchronome Co., Ltd.

LAY-OUT OF GROUNDS
Messrs. Hodsons Ltd.

Foreword and Index
Introduction
The Aerial System
The Power House
The Battery Room
The Motor Generator Room
The Transmitter Hall
The Control Room and Studio
Wavelengths and Programmes
The Principal Contractors

---

Related Information:
A History of Brookmans Park Transmitting Station by Lilian Caras 1982 (revised January 2002)

---

Note: The source of this booklet is the BBC, who have given permission for it to be reproduced on this website. No further copying is allowed and no other reuse without the BBC's permission.