rt, and hydrochloric acid, 1 part, prev- upon, or too near other places previously mordanted ; the mor- rollers, which furnish the copper necessary to the develop- iously mixed together. dant would be acted upon, and if it contains acetic acid, this ment of the color. If no copper is present, the… … bed-plate in position, separates the engine and which is sought for in themanufacture of BAXTER'S PORTABLE STEAM ENGINE. proper from the boiler, without disturbing reds. the adjustment of the valve, or otherwise affecting the rela- a dirty blue. The sulphide of copper is made by dissolving at the…
