"Ronchi [G]" Photocopies of articles found in an original folder labelled "Ronchi [G]", being papers from the 'Atti della Fondazione Giorgio Ronchi', including some annotations by Smith. Comprises: "A comparison between foveal and peripheral flicker sensitivity for colored lights, at photopic levels" by Marcella Bittini, in 'Atti della Fondazione Giorgio Ronchi', vol. 17, (1962); "Red and blue electroretinograms at various luminances" by Anna Maria Ercoles, in 'Atti della Fondazione Giorgio Ronchi', vol. 17, (1962); "Subjective sharpness and contrast threshold" by Marcella Bittini, in 'Atti della Fondazione Giorgio Ronchi', vol. 17, (1962); "Quantitative aspects of the blur-to-sharp transition" by Lucia Ronchi, in 'Atti della Fondazione Giorgio Ronchi', vol. 17, (1962); Letter to the Editor "Non additivity of adapting luminances of different color" by D Andreani and G Lepri, in 'Atti della Fondazione Giorgio Ronchi', vol. 16 or 17, (1961 or 1962); Letter to the Editor "On the variability of the rates of rise and decay of the scotopic b-wave" by Anna Maria Ercoles and Ezio Masci, in 'Atti della Fondazione Giorgio Ronchi', vol. 17, (1962). 1962