CO129-547-1 Wireless telegraph and telephone services 16-1-1934 - 26-1-1934 — Page 14

G. F. 22

Inside Sheet

INDENT No:-

Item

No.

Quantity.

HONG KONG

PAGE.:-

14

Estimated Cost in England.

Description of Articles.

Total.

Rate.

t.

d.

Remarks or references to specifications or special notes (if any)

on separate sheet.

9 (Cont'd.) d. Rectifier for Grid Bias

Supply, of the metal oxide

10

1

11

12

13

NOTE:

type complete with all necessary smoothing to

deliver 150 m/s.at 22/33 volts D.C.

e. Rectifier for Control Table

Supply, of the metal oxide type complete with all necessary smoothing to deliver 300 m/a. at 22/33 volta D. C.

For normal operation the batteries will be connected to float across the outputs of the above rectifier units, but the latter have a voltage range to trickle charge the respec- tive batteries. Supply voltage

2007. 50 cycles.

SWITCH, ironclad with fuses for Rectifier Supply from mains.

1 Supply CABLE & WIRING consisting of

1

an adequate quantity of lead

covered cable with saddles and cleats etc. as required for connecting up the complete equipment.

RECOMMENDED SPARES FOR TELIPHONI

RECEIVING EQUIPHEIT

SPARE VALVES for Combined Te10- phone Receiver and Terminal Equipment.

SPARES for Telephone Receiver and Terminal Equipment compris» ing:-

a. 12 Condensers as used on

Receiver.

Carried Forward......