Disk archival techniques

[Dwight K. Elvey]

>From: "Randy McLaughlin" <cctalk at randy482.com>
---snip---
>
>Every battlefield since WWI has had "spare headsets" laying around, usually 
>from damaged radios.
>
>

Hi
 Even so, they had relays then. One can make a useable
head set with a bar magnet, coil from a relay and
a tin can. ( Add something to stick things together with.
There are too many possibilities here to even speculate! )
Dwight