n of cuprichydroxide in ammomia is then added (made by precipitating sulphate of copper by potash, washing anddissolving in ammonia). The cupric hydroxide isreduced to cuprous hydroxide with evolution ofnitrogen gas. A hot 10 per cent solution of caustic potash is then added until a slight…
Pottery · Glass · Glassware
Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Catalog]. (1908)](https://img.insideoutlibrary.com/img/200/ia-catalog00macy-407-1136.webp)
