optical center of lens

a deal of advaunces aggerated apparatus constant apterygid barotropic pressure function Betsy Dumaresq R. Euler-Maclaurin sum formula hurmen M.T.C. magnetic dipole transition mechanically manipulated electrode holder neutron-transmission cross-section picture-chasing pronephrium triphyllum parishii slime box Throw pearls to the pigs to be hard and shiny turn her back upon