My first experience hearing local AM stations was using an actual
chunk of geranium crystal mounted in a blob of lead, that you'd
traded some of your best agate marbles for, You used the point of a
fine safety pin to scratch around on that chunk of geranium to find
the sweat spot, where the
Actually, I'm pretty sure the crystal set you are referring to used a
piece of galena (a lead sulphide compound), not germanium (and not
geranium, which is a flower). Early crystal sets used a piece of
springy wire called a cat whisker to contact the galena at a sometimes
When I lived in Africa, Galena was used in the crystal sets which some of my
friends and I built during the very early 1940s. Galena could be found in
some outcrops of rock, many of which were present in our garden. Finding
the sweet spot for the cats whisker could be difficult.
Although at
When I was 10 years old (55 years ago), I found a child's picture book
in the library that showed a copper penny, a safety pin, and a wire coil
mounted on a piece of wood. I had no particular interest in radio or
science at that time but this book appealed to me. I borrowed the book,
went
I had an aunt that lived with my grandma. They slept in the same bedroom
and she wanted a radio to listen to without bothering her mother. We got a
crystal set from Burstein Applebee and I hooked it up for her -- It worked.
I think I was in the 6th or7th grade.
I seem to also remember a
Fox Hole radio... I helped a pre med student build the radio for one of her
science projects a few years ago... It worked! And she got an A for her
project. She is now a fine Doc with 3 great kids!
Non judgment day is near.
On Jul 25, 2013, at 8:27 AM, artus 9ar...@gmail.com wrote:
I had
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