subject treated in lectures is de-
  veloped in further discussion-
 (4)     Arbeitskreise, or "working circles"
  which are simultaneously lecture and
  discussion groups. This method is
  employed most frequently in the pur-
  suit of what might be called "hobby"
  subjects such as amateur photography,
  astronomy, stamp collecting, chess, or
  manual training.
 (5)     Elementary courses in foreign languages
  (in the Volksbildungsstatten in big cit-
  ies nine languages are offered); in
  Algebra; logarithmic calculations; book-
  keeping; shorthand; drawing; sculpture;
  wood carving; commercial German; accor-
  dion or clarinet lessons; etc.
  visits to museums and places
 ( 6 )   Exhibitions, of historical interest (castles, prehis-
  toric excavations, battlefields or pla-
  ces famous in folklore), guided tours
  through factories, etc. Strength through
  Joy puts special emphasis on the latter
  kind of tour as promoting fellowship and
  understanding among workers of different
  plants. Periodical group inspections
  are made of such factories of general in- 
  terest as the Siemens-Halske electrical
  works, a local brewery or dairy plant,