Post by OddOpinions5
@CKL @lambdacalculus @stux as far as I can tell, at the time Bain invented this, the "ink" on the recieving end was "prussiate of potash" and this was a well known thing at the time - not sure but I…
By OddOpinions5
@CKL @lambdacalculus @stux as far as I can tell, at the time Bain invented this, the "ink" on the recieving end was "prussiate of potash" and this was a well known thing at the time - not sure but I…
By OddOpinions5