A quick, efficient method for preparing effective, attractive poster talks by photographically enlarging typewritten copy is described. Preparing copy and having enlargements made is fast and relatively cheap. Enlargements are planned so that they also fit a briefcase or file cabinet for convenient transport and storage.

This article deals briefly with when to use and when not to use eight types of graphs: arithmetic and semi-logarithmic line charts; column, bar, and pie charts; 100-percent column charts; frequency distribution charts; and pictorial charts. Each type is illustrated.