Analysis of information sources in references of the Wikipedia article "Humbucker" in English language version.
Some of the company's groundbreaking innovations were the invention of the humbucking coil in 1934 and the T-45 noise-canceling microphone in 1942—just in time to help with the war effort.
Some of the company's groundbreaking innovations were the invention of the humbucking coil in 1934 and the T-45 noise-canceling microphone in 1942—just in time to help with the war effort.