Hiram Percy Maxim and Clarence D. Tuska, 4CL (1916)
“ The transformer is home-made and one Kw. Murdock has furnished a moulded condenser and rotary gap. The hot wire ammeter and key are of the Clapp-Eastham make. The oscillation transformer is a home-made affair manufactured by 4CL. Mr. Merriam says “QST” fills a long-felt want. ”
