Eddystone Short Wave Manual page 42

EDDY.STONE.,SHORT.,WAVE 'MANUAL
41:-
-*WO VALVE TRANSCEIVER-m-contitiped
The construction of the receiver presents
no gAat .difficulty. A paxolin panel 6" x 5" is
used at:1.41)44, a front panel 6" x 5%9f 060"
alurnieum krid a sub-baseboard"thd sane,
54" x 6".
The,topAnd bottom views illustrated
show the positio4 of the component parts. An
Eddystone Slow Motion Head with Flexible
Coupler
is
used' for
tuning contra--
The
-
L I
L2
L3
LIST OF PARTS.
EDDYSTONE
..
.,
1
Valvehokier, No. 1015
..
1
Micitidenser, No. 900, 20 ni.mfd.
1 U.S.W: H.F. Choke, No. 1011
1 -Adjustable Bracket, No. 1007
1 Flexible Coupler, No. 1009
1 S.M. Driving Head,,No. 1012
1
wench Coll
958
1
nob; No. 903
Paxolin
.and: Aluminium Panels
with Coils, Wire, Leads, etc.
(drilled),
MISCELLANEOUS
1
each 'Erie 1 -watt Resistors, 3,000, 10,600
'
25,000 ohms, 3 meg.
..
1 Cyldon 70/1,40 m.mfd. Capacitor
..
1
Igranic Jack...
.
2 Belling Lee Plugs and Sockets
1
T.C:C. " M "type Condenser, .01 mfd.
.
3 T.C.C. ".M." type Condenser's, .002 mfd.
1 Keston 25 4y.- 40 m/a. Choke, No. 204a
...
1
Keston Mic. Transformer 100: 1, No. W44
1 On -Off Switch
1
Utility Switch, No. W342/3
1 WB 5 -pin Valveliolder
The set is not supplied as a complete kit, but for
reference the approximate total cost with valves
is
44
0 0
Price
1/3
3/9
1/3
1/6
'
1/6
.
3/-
4/6
6d.
18/,
Adjustable Bracket, must down suitably
in ,height.
.,,Thepower output with 120 volts N.T.is
about 1.5 watts. A hilf-wave ae;:i4 is recim-
menapd and this can be of the Zep'p fed,.;
Windom, Impedance matched, or
Johns9rj
Zktype.
The third named :.was the one used -
in our exPerimentS.
.
3.000.
G,*NCH
COILS.
100 -1 TRANS.
23!:t, 40st A
.)
14 T.-
G
3 MJI .
.10,000A.
Perrr.
ANODE
PHONES
25HY.40M/A
C HOKE
BLANK
BLANK
QUENCH COIL.
SWITCH CONNECTIONS.
VALVES:
Mazda P220 Oscillator, Detector
Mullard 1,?M22 Modulator, Amplifier
.6/-