CO129-547-1 Wireless telegraph and telephone services 16-1-1934 - 26-1-1934 — Page 12

G. F. 22

Inside Sheet

INDENT No:-

HONG KONG

12

Item

No.

Quantity.

Description of Articles.

Total.

Rate.

Estimated Cost in England.

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

on separate sheet.

£. S.

d.

(Cont'd) d. Second Detector & Automatie

Gain Control Unit.

e. Attenuator & Intermediate

Frequency Amplifier.

f. Intermediate Frequency

Amplifier & Zero Beat Unit.

g. Control Panel with Indicating

Instrumen ts, Resistances, Fuses, Switches, etc.

h. Grid Bias Unit.

J. Indicator Panel controlling

feeds to Differential Balances and Suppress07 Amplifier.

k. Volume Indicator Unit

1. Control Table with jack

field unit, hybrid coils, relays service telephone e to.

m. Monitoring Amplifier Unit.

n. Transmitting Amplifier Unit.

o. Receiving Amplifier Unit.

p. Receiving Echo Suppressor

Unit.

q. Transmitting Echo Suppressor

Unit.

Differential Balance and Suppressor Amplifier Unit.

a. Set of H. F. Coils to cover

wave range 15 to 80 metres

Carried Forward......