C2: DEROB System Projects, <date>1978, 1981, 1986</date>

Subseries C2 concerns projects and models developed or designed using the DEROB system. Materials include correspondence from Paul Pietz about Brookhaven House, a project that combined thermal mass with solar energy. Proceedings from the DEROB Second Expert/User's Conference held in Elm, Switzerland is also included within this subseries. Materials are arranged chronologically.