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What's in Dave's Mailbag?

Send to:

PO Box 7949

Baulkham Hills BC

Baulkham Hills NSW 2153

AUSTRALIA

NOTE: The PO Box isn't big. A4 letter size x ma...

7 segment

Latest Book Published: Structure of Atom: The Space Inside of an Atom is Not Empty.

http://www.amazon.com/Struc......

LED flasher with 555 timer

Bear Grylls. Some people say hes fake. I disagree.