
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 FLASHER-PROBE
Electric circuit "call" usually with a tester or device with audible indication. The probe, about which we talk today, informs about the health of an electric circuit with a light...
ON THE SCHOOL – “CRAYON”
With a minimum of welding operations, avoiding difficulties of manufacturing in more modest circumstances than the school shops complex assemblies and precision parts to make your...