So many contradictory statements, all emanating apparently from men of equal weight in the domain of science, have appeared from time to time in the social and even technical papers, that we are glad to be able to place before our readers an impartial account of a preliminary trial of the Siemens' machines and lights, which took place on Wednesday last, in Mr. Bishop's godown in Hongkew, in the presence of a select few of those immediately interested in the new light, and who were well fitted to judge critically and minutely of its qualities bad or good.
Text read from the printed page and cleaned; old type leaves the occasional error.