Hi Power 19 set

[Bruce MacMillan]

That big square box on the upper left in Bruce's photo is the actual amplifier itself. The other box beside it is only the power supply. The Canadian set had more power output compared to the Brit's unit but like I said it was quite bit heavier and loved to drain batteries. Somewhere in my files I have a memo from Ottawa telling the Canadian Army Overseas that the amp will not be deployed.

The aerial tuning for the Canuck amp when transmitting was built into the amplifier box itself but you will notice that the variometer is mounted on the right. It was still needed for receiving. You needed two aerials, one for transmit and one for receive. The variometer also had a relay assembly to protect the 19 set when transmitting.

These were never used during WW2 but there is a painting in the Canadian War Museum by a war artist during the Korean war and in the background of one painting you can see the amplifier section. I suspect the amps were used then.

[David Dunlop]

Based on when the Canadian HP setup reached maturity, was it designed for use only with the Mk III Canadian 19-Set? By comparison, it seems the British version may have been compatible with both the Mk II and Mk III, both British and Canadian.

David

[Bruce MacMillan]

The Canadian amplifier was designed to work with both British & Canadian MKII & MKIII sets (this would also include the MKII sets made in the US and sets made in Australia).

[David Dunlop]

Thanks, Bruce.

[Chris Suslowicz]

The dummy aerials shown are not part of any specific equipment, and just general purpose test gear. (The stores code "WY" is a division of "Electric Light and Power" that accumulated a lot of test equipment along the way.)

Chris.

There's a specific dummy antenna for the RF Amplifier No.2 listed in the EMER for the unit, complete with construction details for any workshop that required one. They were not an issued item due to the small quantity needed.