On 3/15/2013 12:59 PM, S Viemeister wrote:
> On 3/15/2013 6:45 PM, dsi1 wrote:
>
>> That would be the one. According to the movies, you're supposed to hit
>> them with a big wrench in order to get them to work.
>
> My parents used them as intercoms - they were both pretty good with
> Morse code.

Unfortunately, we had neither intercoms or radiators. We had no
shortages of big wrenches though since my dad was a plumber.