THE TECHNOLOGIST. [APRin 1, 1865. \ 386 THE COMMERCIAL USES OF frames is inclosed in an air-tight recess, and all that is required is to draw out the nets every morning and fill them with fresh flowers, which give their aroma to the two surfaces with which they are in contact. This system saves the… … Oil and Pomade Frames. A very curious pneumatic apparatus for the same purpose has been invented by M. Piner, the eminent Parisian perfumer, who submitted to the jury a plan of it at the last International Exhibition in London. It consists of a series of perforated plates, supporting flowers placed…
Technology
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