Drafting Film

Facsimile Equipment and Associated Materials-Namely, Diazo Printing and Developing Machines and Units for Making Diazotype Prints, Both Negative and Positive and for the Developing of the Prints, Projection and Polarizing Apparatus and Associated Apparatus and Materials, Sensitized Paper, Film and Fabric for Diazo Reproduction, and Materials for Making Slide Transparencies

TECHNICAL FACSIMILE MATERIALS-NAMELY, SENSITIZED PAPERS AND FABRICS FOR MAKING DIAZOTYPE PRINTS, BOTH POSITIVE AND NEGATIVE