24 photographs : albumen ; 7.8 x 10.9 cm, on card 17.4 x 22.4 cm ...
One special exhibit will showcase the Dryptosaurus, discovered just one mile from where the museum stands, back in 1866. Learn more about the museum at edelmanfossilparkmuseum.org.
Julian Frost (N3JF) with Ham Radio Outlet gives a brief introduction to the MFJ-616 Speech Intelligibility Enhancer, and announces a new giveaway!
[DXCommander] shows us his 40 meter two-element vertical antenna build in the video below. A typical Yagi is just a dipole with some slightly longer or shorter elements to direct or reflect the ...
Most of the 15,269 patents granted in 1866, however, were more optimistic than useful. The gizmos they covered may have demonstrated a desire to improve some aspect of the human condition but ...
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