Quotables
"The wireless music box has no imaginable commercial value. Who would pay for a message sent to nobody in particular?"
David Sarnoff, American radio pioneer ; 1921
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| Number | Title | Issue Date |
| 4010647 | Sampling method and apparatus A helical open ended tube is rotated so as to pass an open end successively through two different fluid media. Successive slugs, first one and then the other, of the media are captured, screwed along the length of the tube and retained therein for subsequ... | 03/08/1977 |
