This cut shows the upright pipe cor- rugated for expansion, as already ex-plained in the plan. The three holes denote the pointswhere the fastenings come which are toattach it to the wall. … The patent Pipe Fastener, inventedby Austin, is here shown, with the spikewhich enters the wall. This arrange-ment keeps the pipe from the wall andeffectually prevents dampness. The claws are attached to a shield onthe pipe and the spur closes up into thethe claws. Thus keeping all firm.…
Architecture
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![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten20unit-359-149.webp)
