| http://www.w3.org/ns/prov#value | - Apologies for the techie-speak, but all of this is probably only of any interest if you already understand the jargon.The uppermost PCB is the frequency counter/display driver - the display tubes were salvaged from an old cash register, the chip is a standard device and the PCB, as with all of them, I laid out and etched myself.
|
