Marloye's Harp Small 195×320 Medium 389×640 Large 623×1024 Download Tiff Original 1460×2400 | (971.4 KB) Description An illustration of Marloye's harp, used to show longitudinal vibrations in rods. It is made up a number of steel rods lined up vertically on an oblique-shaped board. Keywords harp, music, rods, tuning Galleries Stringed Musical Instruments Source: Benson John Lossing, ed. The New Popular Educator (London, England: Cassell & Company Limited, 1891)