The image was scanned with light, line by line. A selenium photocell transmitted the light as electricity, burning marks onto chemically-treated paper; or the image blocked it (no mark). Et voilà, "distant electric vision."
The image was scanned with light, line by line. A selenium photocell transmitted the light as electricity, burning marks onto chemically-treated paper; or the image blocked it (no mark). Et voilà, "distant electric vision."
"The anti-piano-player pianist is, in fact, a million removes from mere nature; he would be helpless without the huge box of mechanical tricks in front of him"!
"The anti-piano-player pianist is, in fact, a million removes from mere nature; he would be helpless without the huge box of mechanical tricks in front of him"!
(from the Peterson Collection at Case Western Reserve University)
(from the Peterson Collection at Case Western Reserve University)