Were you in the Cub Scouts? Then you probably made a Cub Scout Crystal Radio. I did. Dad strung a wire between my bedroom window and the fence for the antenna.
Got a couple at Ebay.
Were you in the Cub Scouts? Then you probably made a Cub Scout Crystal Radio. I did. Dad strung a wire between my bedroom window and the fence for the antenna.
Got a couple at Ebay.
Want to remake one? This is the pictorial you attached to the box to mount the parts on.