tely submitted to us forinspection a very ingenious apparatus forcreating and liberating chlorine gas in suffi-cient abundance to entirely disinfect apart-ments pervaded by an unwholesome atmos-phere arising from various causes. It is, atonce, simple, effective, and economical, and,besides,… … Fig. 1. Fig. 2. of which serve as receptacles for the chemicalingredients to be hereafter described. It isformed of unglazed stoneware and is mouldedin a very pretty pattern. In the first portion(a) is placed three ounces of black oxide ofmanganese mixed with eight ounces of commonsalt, dried ; the…
Design · Decoration and ornament · Art
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![An illustration from Libro primo [-quinto] d'architettvra ... (1566)](https://img.insideoutlibrary.com/img/200/ia-libroprimoquinto00serl-166-188.webp)
