Meccano Radio Sets
Meccano made crystal radio sets both in the UK and in the USA. In the UK because of concerns by the GPO, there was both a ready made and a constructional radio set. In the USA there was just a constructional radio set.
Below there are manuals/leafets which can be downloaded by clicking on the appropriate image.
The Meccano Radio Receiving Set booklet published by Meccano (Liverpool) for the Meccano No.1 Radio Receiver