G. F. 22
Inside Sheet
INDENT No:-
Item
Quantity.
No.
31
HONG KONG
PAGE.:-
8
Estimated Cost in England.
Description of Articles.
Total.
Rate.
£. S.
d.
20
1
IMPEDANCE METER.
21
1
22
1
23
1
24
24
1
WAVEMETER, Type M.g. 1E, 10/100 metres, with indicato r, crystals, head telephones and calibration chart.
TOOL BOX complete with tools.
The following additional items: will be required for telephone operation:-
I
¦ SUBSIDIARY RECTIFIER RACK, comprising:-
a. Rectifier for modula to r grid
negarive consisting of two
U.6 valves to deliver 100
m/a.at 800 volts D. C.
b.Rectifier for ano de supply to check microphone to deliver 100 m/a. at 24 volts D. C.
Note: 350V. 3 Phase or 200V. single
phase 50 cycle supply.
MAIN MODULATOR UNIT compris- ing screened framework mounting the following apparatus:
a.Main Modulator with mountings
for four M. T.9L val ves.
b. Sub Modula to r with mounting
for one M.T.6B valve.
c.Sub Sub Modulator with moun t-
ing for one M.T.4B valve.
The Unit to be complete with modulation meter and necessary indicating instruments and all detail parts.
1
Carried Forward........
Remarks or references to specifications or special notes (if any)
on separate sheet.