RADIATION 
‘Solar Radiant Energy and Its Modification by the Earth and 
Its) Atmosphere by Sigmund Fritz... 0.00.22. eee tee te eet: ipbateeare oe Meneses 13 
flone-Wave Radiation) by Fritz Moller... cone ic eb oe ee ee ee ut de eet ee eee Cage ns 34 
Actinometric Measurements by Anders Angstrom See ICA RE eter ic: 0-0 CROLCMeRE SMM tee Pecks oc eRe oe reD Ree ay CINE 50 
