ancient telegraph machine

[hardr004]

Found this and thought you may like it.


http://blog.makezine.com/archive/2010/11/building_a_telegraph_from_scratch.html

 

[Matt.S]

Well it's certainly interesting but I think he's missing a few things. Namely a power source, a condutor and a sounder/indicator.

Or to put it another way he has not made a telegraph but a telegraph key.

 

[Harvestman]

The bit about developing arsenical poisoning was a little off-putting, to say the least.