Joseph Norman Lockyer, Water-Waves and Sound Waves

Joseph Norman Lockyer, Water-Waves and Sound Waves
Joseph Norman Lockyer, Water-Waves and Sound Waves

“Compressed and rarefied air particles of sound waves”, in “Water-Waves and Sound-Waves” by Joseph Norman Lockyer

LOCKYER_1878_Superposition_of_two_wave_systems-620x801

“Superposition of two wave systems”, in “Water-Waves and Sound-Waves” by Joseph Norman

Joseph Norman Lockyer gathered a variety of interesting illustration in a paper titled “Water-Waves and Sound-Waves” which was published in Volume 13 of Popular Science Monthly, on June 1878 (pp. 166-173). Some of the illustrations used by Lockyer are woodcuts first published in Adolf F. Weinhold’s book Vorschule der Experimental physik (Leipzig, 1871). Both documents are entirely in the public domain.

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