. The air brush in photography, incorporating a progressive series of lessons . 58 Figure 11Square Corner with Hcicl Ed(jc 59. Chapter XIXLesson Twelve AKE two pieces of ground celluloid, and cut out of eachan oval opening, one a little larger than the other, so thatby their use the border effect shown in Figure 12 can beobtained. These ovals must be as accurate as possible,and therefore brass forms of known accuracy should beused as guides when cutting them out. Place the smaller oval in perfect contact with thepractice sheet, and with a free vertical motion and a good even sprayblow in the d
. The air brush in photography, incorporating a progressive series of lessons . 58 Figure 11Square Corner with Hcicl Ed(jc 59. Chapter XIXLesson Twelve AKE two pieces of ground celluloid, and cut out of eachan oval opening, one a little larger than the other, so thatby their use the border effect shown in Figure 12 can beobtained. These ovals must be as accurate as possible,and therefore brass forms of known accuracy should beused as guides when cutting them out. Place the smaller oval in perfect contact with thepractice sheet, and with a free vertical motion and a good even sprayblow in the design of the required density, working at that distancefrom the easel best suited to the operator, so as to secure uniformityin the work. When the design is complete, remove the smaller oval and replaceit with the larger, being sure that the margin between the larger ovaland the design is the same at all points. Give a light wash over theentire design to secure the border effect, after which set the brushto give a medium fine spray and work in the shadows as shown inthe illustration by working along the curve of the oval
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Keywords: ., bookcentury1900, bookdecade1920, bookidairbrushinph, bookyear1920
