[CW] What is the best telegraph key??
Donald Chester
k4kyv at hotmail.com
Sat Aug 21 14:31:16 EDT 2004
>Most foreign navies used an enclosed telegraph key, with the lever at
>ground
>potential there was NO danger of any electric shock. The contacts of the
>key were well hidden inside the key cover.
>
>However, the U.S. Navy usually did NOT protect the key contacts (and USA
>keys usually only had one set of contacts at the front, while the foreign
>keys often had a forward AND rear contact for switching.
>
>Because the key was not protected and the anvil (the part which the key
>lever strikes which includes the lower silver contact) is exposed, a safety
>disk was placed under the key knob to prevent the operator from slipping on
>the key and contacting the exposed lower contact.
Wouldn't OSHA have a heyday if those were in civilian use today! Imagine
all the warning labels on the equipment and the lawsuits that would result
every time someone got even mildly zapped. The safety police would have a
ball.
Don K4KYV
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