CO129-390 - Acting Governor Claud Severn - 1912 [5-6] — Page 265

CO129 Colonial Office Hong Kong Records 理藩院香港檔案 All

257

indiarubber lead sheathed cuble.

TRANSFORMER AND JST THEGUENCY INGOLANCE-

The Transforser to be or tha mingla phaso two limb core tyre contained in an oil-tight motel cone fitted with figh fearion Focn-

The aaoline to be daigned to deal with an

snd to eter up the Treasure

ite Fushed feminole.

input of 2 K., 300 alternating currant, from the 30C volta of euprly to the necessary prescure for charging the Condenser Battery to the required maximum voltage for the effi- ciunt abeerbtion of the full rower of the Bet.

In conjunction with the Transformer en ådjustable Iron Core Inductance to be furnished for uze in the Primary Circuit to persit of the control of the wurent in this Circuit and to give the ne- cessary regulation te bring about correct resonance between the

Speciel Alternator Frequency and the Spark Froquency at the Diao. Air Core Protecting Chokes to be provided to guard the Transformer against injurious induced affects from the High Frequency Circuit.

COLLIESEN BATTERY.

Te someist of a bank of 4 Onita ca the self ioenlating glazed ironstone cont-iner tyre with oil sealed lids and high tension tersin-ls. Tech call to be filled with grecial high flash point insulating oil. The Unite of the Bank to be suitably grouped to

the afford that capacity which, in conjunction with variable iniuc- tance of the High Frequency Primary Circuit, will afford the speol- The arrangement of the Conder- fied wave lengths in transmission.

A

sere sleo to be such na to ensure the absorbtion of the total Amount of ouergy to ba aunplied by the Transformer Ciroult without bringing any umiue elnctrical sizein on the individual Condenser

The Battury to Do provided Cells and with the minimum het losses, with a set of copper connectors and insulating aeparators for con- necting up the Condanser 3:ttery to other parts of the High Frequenci

Primary Girouit.

DISCHARGER.

To be of the Marconi Dise Type mounted on un extension of the Alternator Shaft. The Stud: to be of the correct number to

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