Antique British Scientific Elliot Richardson Steam Indicator
Antique cased brass steam engine indicator engineering tool set. This antique brass Elliot Richardson Indicator was an essential engineering tool used when monitoring steam engines in the late 19th century. This early version was manufactured in London by Elliot brothers in the 1860's-1880's.
The Porter-Allen engine and the prototype Richards indicator (made by the Novelty Iron Works) were exhibited at the International Exhibition in London in 1862. There the engine attracted much adverse comment, but proved to work smoothly and in perfect safety-confounding the doom-laden predictions of its many detractors. The indicator was used successfully to test a variety of engines on display, though one or two well-known British engineers refused to have anything to do with it. A trial of a railway locomotive was arranged, and the existence of the indicator came to the attention of Elliott Brothers, renowned as makers of optical equipment. A licence was negotiated, and the first Elliott-Richards indicators appeared in 1863. More than ten thousand of them had been made by 1876, and work continued until the end of the nineteenth century.
Original labels inside
Indicator marked: Elliot Bros London Patent No 4182
This would make a great addition to any antique engineering collection.
Box measures 11“ long by 11" wide by 5“ tall and weighs 10lb 6oz.
This set is in good condition (I am not sure whether it is complete) with some small signs of age and use, there is a crack in the wooden lid, please see all pictures as they form part of the condition description.
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