POROTYPE
Source: 567
Po″ro‐type (?), n. [[See Pore, n., and -type.]] A copy of a print, writing, etc., made by placing it upon a chemically prepared paper which is acted upon by a gas which permeates the paper of the print, writing, etc.
Source: 567
Po″ro‐type (?), n. [[See Pore, n., and -type.]] A copy of a print, writing, etc., made by placing it upon a chemically prepared paper which is acted upon by a gas which permeates the paper of the print, writing, etc.