Arthur Lyon & Co.
Alco Firefly Steam Charging Set

The Type 3 Mk. II (A.K.A. B2) Suitcase Spy Radio

About the radio transceiver whose battery the Alco Firefly was designed to charge

A lot of information is available online about the B2 spy radio. This page will refer you to sources.

Locations Used

Below is an incomplete list of where the Alco Firefly served.

Thanks to Harry Bosch (Netherlands), for information on the radios.