ADVISORY COMMITTEE ON GEOPHYSICS 



a b 



EXPLANATION. 



SKETCH I. 



aaaa Uniform temperature laboratories 28' x 28', protected by corridors (8 ft., 

 including walls) and work rooms, common laboratories, ofl&ces, libra- 

 ries, etc., <: ^ c c outside. To be lighted (a) from above and (b) arti- 

 ficially. 



bbbb Corridors for communication, but also to serve as insulators for uniform- 

 temperature laboratories (8 ft., including walls). 



cccc Space lighted from without for work rooms, ordinary laboratories, 

 offices, libraries, etc., (18 ft. wide, including outer wall). To be 

 divided by removable partitions (tile or Michaelite) adjusted to needs. 



d Central unit that can be treated as the bastion unit, or can be developed 

 as a large (60 ft. x8o ft.) measurably uniform-temperature laboratory, 

 either lighted from (a) above, (b) laterally through two sets of win- 

 dows, or (c) artificially. 



ee Extension by the addition of units similar to units a-c. 



