Papers on Reverse Notation and Energy Units Contains ms entitled "Reverse Ascending Duodecimals", with decimal to duodecimal conversion table; accounts and units of time, space and energy expressed in reverse notation; list of birthdays and other key dates; ms entitled "Unit of Temperature in M.K.S. System"; list of physical constants from Raymond T Birge's "The General Physical Constants", 'Physical Society Report on Progress in Physics VIII' (1941); ms note entitled "Atomic Units"; table of powers of 12; and tables of physical constants. c1940s