 | Royal Institution of Naval Architects - 1897 - 458 pages
...containing O1075 grin, of sodium hyposulphite to the litre. The illuminating power of the light source to be tested was first read on the photometer in the...was taken, the difference between the two giving the light cut off by the cell and the liquid which it contained ; '05 grin, of hydrochloric acid per litre... | |
 | Vivian Byam Lewes - 1900 - 1026 pages
...containing O1075 grammes of sodium hyposulphite to the litre. The illuminating power of the light source to be tested was first read on the photometer in the...of light and the screen, and a second reading was then taken, the difference between the two giving the light cut off by the cell and the liquid which... | |
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O1075 grin, of sodium hyposulphite to the litre. The illuminating power of the light source to be tested was first read on the photometer in the ordinary way, and the cell containing the clear liquid was then interposed half-way between the source of... 