Wilson's quarter century in photography : a collection of hints on practical photography which form a complete text-book of the art . a uniform temperature. In some buildings this is almost animpossibility in winter, while in summer the great trial is to prevent too higha temperature. Ventilation is also a subject which cannot be given too muchattention, not only as a matter of health, but as help towards maintain-ing a uniform temperature. A clear atmosphere is by no means ahvays thecoolest one. What I want to make the clearest, however, is the importance of keepingthe various solutions at th
Wilson's quarter century in photography : a collection of hints on practical photography which form a complete text-book of the art . a uniform temperature. In some buildings this is almost animpossibility in winter, while in summer the great trial is to prevent too higha temperature. Ventilation is also a subject which cannot be given too muchattention, not only as a matter of health, but as help towards maintain-ing a uniform temperature. A clear atmosphere is by no means ahvays thecoolest one. What I want to make the clearest, however, is the importance of keepingthe various solutions at the proper temperature and to have them all, as nearlyas practicable, the same. Many devices have been offered as helpers, some few of which are added tothe notes. Fio. 248. 122. I send models of contrivances for cooling the bath, and for keeping collodion andother solutions cool and of equable temperature during hot weather. Fig. 247 repre-sents the bath cooler, which is a simple boxor case A, so contrived, with a metal caseinside, and outlet for water, as to hold lumpsof ice underneath and over the glass bath-holder. Fig.
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Keywords: ., bookcentury1800, bookdecade1880, bookidwilsonsquart, bookyear1887
