Thursday, 4 March 2021

Crystal Set Excerpts from Chums Annuals

These Crystal Set Excerpts were digitized from Chums Annuals published in the 1920s and 1930s. 

The text is searchable.

Feel free to copy and share

Link to ChumsAnnualCrystalSets.pdf


2 comments:

  1. Thanks for this. :)
    You might also be interested in this:
    The Popular Wireless Crystal Experimenter's Handbook (1925)
    http://earlywireless.com/pdf/pw_xtal_experimenters_hdbk.pdf

    ReplyDelete
    Replies
    1. Wow. Thanks for the link. I love this very early technology. I still have a "cat's whisker"crystal detector that I made from a piece of galena. In the 1970s I managed to buy an as-new high impedance headset that was still in its unopened box.

      Delete