coil-frame

Updated: June 3, 2025

Removing the relay entirely from the burned base, he secured a thin piece of board from one of the boxes near him, from the miscellaneous tools in another box found a gimlet, and made the necessary perforations. And soon he had the brass coil-frame mounted. Meantime Mr.

Francis Lovell Coombs - The Young Railroaders : Tales of Adventure and Ingenuity