PROJECTS 625 



been opened, cleanse it again with carbolic acid solution, bichloride 

 of mercury solution, turpentine, or grain alcohol. 



Do not attempt to reopen or cleanse deep wounds. That is 

 a doctor's work. 



Caution. Do not depend on ordinary peroxide of hydrogen for 

 disinfecting. 



Two of the best and simplest books on first aid are : 

 " First Aid for Boys," Cole and Ernst. D. Appleton & Co. 

 " American Red Cross Abridged Text-Book on First Aid," 

 P. Blakiston's Son & Co. 



PROJECT XL VIII. How to Disinfect a Room by Fumigation, 

 pages 444-445 



The most important thing to be done at the outset is to seal the 

 room thoroughly so as to prevent the escape of gas until the process 

 of fumigation is completed. Close all windows and doors, except 

 the door provided for exit, but leave the windows unlocked so that 

 they may be opened from the outside. The temperature of the 

 room should be at least 60 F. or higher. The higher the tem- 

 perature the better, provided there is no exposed flame in the 

 room. 



Make a formaldehyde solution by dissolving 12 ounces of 40% 

 solution of formaldehyde in 1 gallon of water. Soak strips of paper 

 in this solution and paste 4 to 6 thicknesses of them with paper- 

 hanger's paste over all door, transom, and window cracks, over 

 stove-holes, keyholes, registers, or any other openings of any sort. 

 After the strips are in place, wet them thoroughly with a brush 

 dipped in the paste. Large openings may need more than a single 

 thickness of paper. To prevent the skin of the hands from roughen- 

 ing or peeling, grease the hands or put on rubber gloves before 

 handling the formaldehyde solution. The fumes from this small 

 amount of the solution may be disagreeable but they are not 

 dangerous. 



Hang clothing, bed covers, and everything that cannot be dis- 

 infected by boiling, on lines stretched across the room. Stretch 



