Page:Popular Science Monthly Volume 88.djvu/747

 Popular Science Monthly

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��Converting an Automobile into an Apartment

YOU can go for an automobile tour now and carry your apartment with you in a neat-looking box-like contrivance which fits on the back of

��and other comforts to be had at home. The automobile-telescope apartment is the invention of Gustav de Britteville of San Francisco, who uses it on business tours into the country.

How To Make Spirit Photographs

PRINT from ordinary negatives in the usual manner on printing-out paper, then fix the prints in a solution of i oz. hyposulphite of soda and 8 ozs. of water, and wash them thoroughly. While still wet, immerse them in a saturated solu- tion of bichloride of mercury until the image disappears; then wash thorough- ly. Be very careful, as bichloride is very poisonous. Soak some clean blotting-

���There is very little left to desire in the way of an apartment if one has this s 1 e e p i n cooking and living tele- scope-auto- mobile apart- ment

��your automobile and which can be taken off or put on in fifteen minutes. The shell or case of the telescoping apartment is three feet and four inches long, as wide as the automobile, but not as high at the highest point as the automobile top. The roof of the "apartment" has a gentle slope.

\nU) this small space are, fitted a comfortable double bed in an electric- ally-lighted berth with a tempting book- shelf over the head of the bed; a complete cooking outfit, including a two-burner gasoline-stove; a table; a dressing-room attachment, with a shower bath e(iuipment which includes a ten- gallon can and an attachment to the exhaust for heating water; storage room for a week's supply of food and linen; a dressing-table; a writing-desk;

��The apart- ment will fit on the back of your auto- mobile and can be put on or taken off in f i f t een minutes b y an amateur

���paper in the hyposulphite of soda solu- tion and allow it to dry.

To cause the spirit photograph to ap- pear, cut a piece of blotting-paper the same size as the prepared print, and moisten it; then hold the apparently l)lank piece of pajx'r in contact with it. The photograph will come out gradualy- clear and plain, and if washed thorouglh 1\' will be permanent.

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