May 15, 1928. ` 1,670,195 F. J. M. GERLAND HIGH LIGHT PROCESS OF PHOTOENGRAVING Filed June 26, 1926 1,670,195 Patented May ' -15'», 1.928. UNITED STATES ¿PATENT OFFICE. FREDERICK JOHN MATTHEW GERLAND, OF NEW YORK, N. Y., ASSIGNOR T0 WALKER ENG-HAVING C0., A COPARTNERSHIP COMPOSED OF EDWARD EPSTEAN, -CLARENCE EPSTEAN, AND HENRY L. .WALKER, OF NEW YORK, N. Y. HIGH-LIGHT PROCESS FOR PHOTO-ENGRAVING. Application ñled June`26,/1926. Serial No. 118,829. This invention relates to a highlight proc strengthened print I make another negative ess of photo-engraving, an object of the in of exactly the same size. This produces a vention being to- reproduce all of the delicate negative which is prefectly clear in the detail in the high lights of a picture. _ strengthened and other areas. More specifically my invention is an 1m 10 I also make a half tone negative with >a provement upon the process disclosed in Patj screen, and on this half tone negative I su ent 506,109, granted to me October 3, 1893. perimpose the negative'from the print which Figure l discloses how the original draw has the strengthened lines. This superim ing would appear from which the 'photo posing of one negative upon _the other is graphs are to be made, ` I commonly known in the trade as stripping Figure 2 shows a positive from a_ light one negative over the other, and from this negative made from the original drawmg, double negative pictures may be printed 65 yFigure 3 shows the same view with the which bring out every >line or detail with shadows retouched, ' perfect clearness, so that the subsequent Figure 4 shows a positive formed_from' printing, etching and finishing to be done superimposed negative made from F lgs. 2 can be accomplished without difficulty and and 3, ‘ with the result thatall of the delicate details Figure 5 is a longitudinal vertical section of the picture are reproduced giving supe 20 of a transparent plate upon which are rior quality and at less expense than by any mounted the super-imposed negatives. process heretofore known. y In carrying out this patented process, I The important step of the process as dis 75 ¿first make a negative from wash, crayon or tinguished from the process of my prior pat pencil drawings in the regular established ent is, therefore, the making of a print from 26 way with a screen. I then make a plain neg the plain negative and strengthening the del ative in the same focus without a screen, so icate lines which appear faintly on the print, exposed so asto give little or no detail in the and the making of another negative from. blacks or middletones, keeping the line lines this print, this last named negative being su perimposed upon the half tone negative and perimpose the half-tone negative over the utilized with the latter for printing or other 30 line or plain negativewhich automatically analogous uses'. ` >veliminates the screen in the highest lights; In order to obtain the final picture it is 85 or, if desired, a high light negative can be necessary to mount on a transparent member made by first exposing the picture with a 10, a negative 12 made from the original ' screen, giving ita full and regular exposure. drawing shown in Fig. l and from which the Then,before taking out of the camera, I eX positive is made as shown 1n Fig. 2. The . ypose the picture again on the same With second negative made from the retouched in the lights as clear as possible. I then su 40 45 out a screen, which produces somewhat the positive in Fig. 3 is applied to the negative, same result as the foregoing. l2. The printing of the two superimposed This method or lprocess has certain disad í‘iîegatives is disclosed by the positive in vantages which I overcome by my improved ig. 4. process. By the old process considerable Whilev I have set forth what I believe to handwork is necessary and is both expensive be a preferable series of steps in the carrying and slow. Furthermore, by the old process out of my improved process, I would have itwas impossible `to keep the delicate detail it understood that the same is capable of running out into the high lights. My inven slight modification without departing from tion therefore consists in certain novel steps the spirit and scope of the appended claims. 50 95 in the process, all of which will be herein I'claim: after described and pointed out in the claims. 1. The herein described high light process 100 ` The iirst step of my new> process may be of .photo-engraving, comprising the making like the old, that is, I make a first line or of a- half` tone negative, the making of a plain _negative withoutthe screen.“ I then plain negative, then making a print from make a photo-print' from the plain negative the plain negative, retouching the print, and strengthen the delicate lines which ap making a negative from the print, superim 105 pear faintly in the print, Aand from this posing this negative upon the half tone, and- Í - - s 2. p 1,670,195 printing directl'.)I from the superimposed of the print, then making- a negative'from negatives. A ' . v said print,l then superìmposingi,l the last mén- ~ _ 2.. The herein _described high light process tionedpnegative upon the hàlf tone negative, .10 _ of photo-engraving, comprising the making and then 'printing directly from the Superf 5 of half tone und plainnegatives. from the imposed negatives. , same subject, then making u printv from the y , .plain negative', then strengtheningfthe lines » " ' _ » f f . . ` FREDERICKJÜHN v'M'Vrlilïw.f-ilîRLÀN‘ÍL