Daily  ex.  S.,  9-12.     Assistant  Professor  Bi,a,kER  and  Mr.  DoRSEY.
14.  Physical  Experiments.  Theory  and  method  of  Physical
Measurements  The  course  presupposes  a  thorough  course  in  ele-
mentary physics,  both  in  text  and  laboratory.  It  consists  in  the
setting  up  and  adjustment  of  apparatus  and  the  performing  of  funda-
mental experiments ;  a  study  of  limitations,  errors,  and  methods  of
computation  ;  and  interpretation  of  results,  both  analytically  and
graphically.
30  Physics  and  Photography.
The  apparatus  available  makes  it  possible  to  make  accurate  measure-
ments in  the  different  branches  of  general  physics.  A  few  of  the  sub-
divisions that  may  be  covered  are  in  friction,  work,  power,  efficiency,
uniformly  accelerated  linear  and  angular  motions,  moments  of  inertia,
coefl&cients  of  expansion  of  solids,  liquids,  and  gases,  vapor  tension
and  vapor  density,  the  usual  determinations  in  heat ;  the  study  of
thermometers,  their  accurate  calibration  and  comparison,  a  thorough
study  of  the  analytical  balance,  including  a  determination  of  its
errors  and  limitations.  In  sound,  studies  may  be  made  in  resonance
and  interference.  The  work  in  light  comprises  a  study  of  lenses,  the
grating,  the  adjustment  and  use  of  the  spectrometer,  photometry  of
various  light  sources.  The  equipment  in  electrical  and  magnetic
apparatus  is  such  as  to  afford  special  facilities  for  the  determination
of  electrical  and  magnetic  constants  and  work  in  electrical  measure-
ments such  as  the  measurement  of  current,  electromotive  force,
resistance,  self  and  mutual  induction,  capacity,  study  of  the  magnetic
properties  of  iron  and  the  use  of  standard  instruments  of  theoretical
and  practical  nature.
