| Show THE NEW PUNTING PROCESS the discovery of irl iri by M aber of berhinig Berli berlin nis nig is considered one ohe of the most notable in the art of printing since e invention in order to obtain a cony copy from 1 rom tom he original corresponding thereunto ills minutest details be it a a flowerman flowers dlo flo an insect a pip ce of cloth or any inanimate object the following method is pursued place the object ta 0 o be e printed between a polished copper plate and a lead plate and then let the tv two 0 plates pas pass s between two cylinders moving parallel to each gach other the pressure pre ere sure produce produced a by the cylinders causes the original to leave a perfect e of itself upon the lead plate this lead plate needs no special preparation common lead plates plated answering answering every purpose if they are only smooth on oni ori one side ide ile after being submitted lo 10 to pressure between fhe the cv cylinders linders plate will no longer be perfectly perfect li flat but slightly bent beat to the form of the cylinder it must therefore be the placed upon a smooth hard surface that its shape ape may be restored both through its own weight and a little mechanical aid As soon as this is is done one or more copies caribe can be taken fr from om the plates it if it be charged with any colored fluid and treated gEneral generally lyas as any copper copperplate plate form when an imar impression aslon is desired only a limited number of copies can betaken betoken be taken from the lead plate on account of its softness but to obtain a large number of copies the lead form may be stereotyped or a galvanic precipitate thrown upon it to make a printing plate from which a proper form may be obtained rhe fhe lead plates only need be subjected to the action of a smoothing cylinder to render them again fit for use and the copper plate plat emay may also be used again |
