Winding is produced by the bobbins running faster than the spindles, therefore Q, which is driven from the bottom cone through carrier gears, must revolve.
"Illustrated Catalogue of Cotton Machinery"
Howard & Bullough American Machine Company, Ltd.
Its speed changes as the bobbins increase in diameter, being governed by the position of the cone belt, which is shifted slightly as each layer is put on the bobbins.
"Illustrated Catalogue of Cotton Machinery"
Howard & Bullough American Machine Company, Ltd.
Each of these bobbins has a certain electrical capacity with respect to the earth, when considered as an insulated conductor, and it has also a certain inductance.
"Hertzian Wave Wireless Telegraphy"
John Ambrose Fleming