the relative intensity
Fig. 11.— Relative deterioration of central and side electrode. Center of wire corresponds quite closely in each case with lower corners of photomicrographs. ×75.
(cropped to square)
illustrating Henry S. Rawdon (1880-1954 *) and A. I. Krynitzky. “Deterioration of Nickel Spark-plug Terminals in Service.” Transactions of the American Institute of Mining and Metallurgical and Engineers 64 (1921) : 129-158
University of Chicago copy, digitized October 17, 2012
“The relative intensity of the attack in the central and in the side terminals is shown in Fig. 11.” p139
intensities; metallurgy; pairings
H. S. Rawdon, A. I. Krynitzky