Crossword-Solution: TINFOIL 7 letters, 30 clues 🏆 scrabble score: 10

That is the privilege and the duty of private persons; and I shall think the more of you at the greater distance, because you keep a promise to your fellow-man, your helper and creditor in life, by just so much as I was tempted to think the less of you (O not much, or I would never have been angry) when I thought you were the swallower of a (tinfoil) formula.

Once it was sent to London, ‘to bring back on the tinfoil the tones of a lady distinguished for clear vocalisations; at another time Sir Robert Christison was brought in to contribute his powerful bass’; and there scarcely came a visitor about the house, but he was made the subject of experiment.

These were such a bother on my table that I pasted two strips of tinfoil on the wall at my desk, connecting one piece to the positive pole of the big battery supplying current to the wires and the negative pole to the other strip.

The real great invention lies in creating devices that shall be able to evoke from tinfoil, wax, or composition at any time to-day or in the future the sound that once was as evanescent as the vibrations it made on the air.

Over this was to be placed tinfoil, which easily received and recorded the movements of the diaphragm.