156 Aucust 26, 1909. … much of the same material enters into their mirror. To avoid secondary waves, which PROCESSION OF THE GIANTS. are caused by reflections from the glass sur- composition. The group of giants in the ac- of the fork represents the time of exposure. For visual face, the mirrors used should be silvered…
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![An illustration from XIXe [i.e. Dix-neuvième] siècle (en France); classes - moeurs - usages - costumes - inventions. Ouvrage illustré d'un front. chromotypographique, de 16 planches coloriées aux patrons, de 36 entetes et lettres ornées et de 487 gravures (dont 24 tirées hors texte) d'après les principaux artistes du siècle (1893)](https://img.insideoutlibrary.com/img/200/ia-xixeiedixneuvi00granuoft-598-432.webp)
