They’ve been a mainstay of Sci-Fi props for years but you’ll be hard pressed to find someone on the street that can tell you what they actually do. They’re Mercury Arc Rectifiers and our friends at ...

A mock-up of a weapon from Bioshock 3? A radioactive steampunk fish tank? The glowing engine of a recovered Area 51 spaceship? The answer may shock you. Actually, it almost certainly will. What we ...

IN the Brown Boveri Review for October a very impressive list is given of the mercury arc rectifiers for power transmission which the firm has shipped to overseas countries. We are glad therefore to ...

The mercury arc rectifier inside the Durie Hill elevator. An unusual piece of equipment is on public display at the Whanganui i-Site as preparations ramp up for the Durie Hill elevator centenary ...

DURING recent years there has been an increasing demand for machines and devices which will convert alternating currents into direct currents. Bulk supplies are usually given by alternating currents, ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. crate: 40 in x 12 1/2 in x 12 1/2 in; ...

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...