Calendar: 1886-1887 Page 407

evening classes 24 EXPERIMENTAL PHYSICS Day and JTour of Attendance-Wednesday from to The Course for 1886-87 will treat of Sound and Light L-Production of Sound by the Vibrations of Bodies Propagation of Sound by Waves of Air and other Elastic Media Velocity of Sound Theory of Vibrations Longitudinal and Transverse Vibra- tions Transmission by Solids and Liquids II -Reflection of Sound Echoes Refraction of Sound Communication of Vibrations The Tuning-fork Relation between the Rate of Vibration and the Pitch of Sound The Siren III -Vibrations of Strings The Monochord Harmonic Division of Strings Stringed Instruments Effects of Length and Tension IV -Vibrations of Rods Plates and Membranes Re- lation of the Mode of Vibration to the Pitch of the Note Reed Instruments Combinations of Sounds -Intensity of Sound Vibration of Columns of Air Resonance Organ Pipes Singing Flames In- terference of Sound Beats Optical Represent- ation of Vibratory Motion VI -The Propagation of Light Methods of Measuring its Intensity Theory of Shadows Velocity of Light Aberration The Undulatory Theory VII -Reflection of Light from Plane and Curved Surfaces The Heliostat Caustics formed by Reflection Refraction of Light Total Reflection Atmo- spheric Refraction Prisms