Show wy air brush in painting tho compressed tilt all spray lias has lioon been used for a considerable ehno alino for painting large surfaces like tilo tho 1 lower and for whitewashing tunnels illinois tho the newer art ait of decorating small surfaces by means meana of an air brush seems to have reached its highest develop ment in germany of tile tho two types of apparatus ono one Is hold held laka a poncil and tho other la is used like a revolver and the air for spraying Js Is supplied plied from a cylinder of compressed ulf 0 or r carbonic acid gas or in a more primitivo primitive way by a hand blind pump it is capable pable of a great variety of applications the airbrush air brush can bo used sell tor for ordinary industrial painting by iny any unskilled workman while an artist of somo ability aan can paint flowers and other designs fails I 1 upon enamel glass porcelain bronze paper and oven even upon cloth carpets and other fabrics it has prove specially serviceable in retouching 9 photographs |