
A simple “opener” for metal cans with lacquer or varnish can be done in just a minute from block of wood and two nails.
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THE DIRECT HEIRS OF THE NAMED
The Germans switched to the onboard booking their light cruisers almost simultaneously with the future enemy — the British. A long series of German pronaplucan ended in 1910, when the...
INVISIBLE WATCHMAN
If a radio amateur's inventory is burdened by a low-power portable radio station (or a set of two stations) designed for communication in the civilian range of 26.9 — 27.2 MHz, I propose a...