CO129-547-1 Wireless telegraph and telephone services 16-1-1934 - 26-1-1934 — Page 6

G. F. 22

Inside Sheet

INDENT No:

HONG KONG

PAGE.:

6

Item

Quantity.

Description of Articles.

Total.

No.

Rate.

Estimated Cost in England.

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

on separate sheet.

£. S.

d.

I

1

(Cont'd) d. Second Detector & Automatic

Gain Control Unit.

1

e.

Attenuator & Intermediate Frequency Amplifier.

f. Intermediate Frequency

€.

Amplifier & Zero Beat Unit.

Control Panel with Indicating Instrumen ts, Resistances,

Fuges, Switches, etc.

h. Grid Bias Unit.

j. Indicator Panel controlling

feeds to Differential Balances and Suppressor Amplifier.

k. Volume Indicator Unit

1. Control Table with jack

field unit, hybrid coils, relays service telephone etc.

m. Monitoring Amplifier Unit.

n. Transmitting Amplifier Unit.

o. Receiving Amplifier Unit.

p. Receiving Echo Suppressor

Unit.

q. Transmitting Echo Suppressor

Unit.

r. Differential Balance and

Suppressor Amplifier Unit.

a. Set of H. F. Coils to cover

wave range 15 to 80 metres.

Carried Forward......