xv, 464 pages, 2 unnumbered leaves of plates : illustrations ; 20 cm

Sound / by John Tyndall.

ix, 264 pages, 2 unnumbered leaves of plates : illustrations ; 20 cm

Six lectures on light : delivered in the United States in 1872-1873 / by John Tyndall.

Die Natur des Lichts : Einbeziehung eines physikgeschichtlichen Themas in den Physikunterricht / Karl Friedrich Weinmann.

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Sound / by John Tyndall.

Six lectures on light : delivered in the United States in 1872-1873 / by John Tyndall.

Die Natur des Lichts : Einbeziehung eines physikgeschichtlichen Themas in den Physikunterricht / Karl Friedrich Weinmann.