The same attendant should not care for both lots unless he disinfects himself thoroughly after each visit to the infected hogs.
"Pratt's Practical Pointers on the Care of Livestock and Poultry"
Pratt Food Co.
First, the mucus is gently swabbed off the closed lids from the nose side outward, and then follows the application of one drop of twenty per cent argyrol or two per cent silver nitrate, either of which thoroughly disinfects the eye and prevents the growth or development of any bacteria that may have gotten into the child's eye during the descent of the head through the birth canal.
"The Mother and Her Child"
William S. Sadler Lena K. Sadler
Every operator should be provided with a bottle of ammonia, as a little sprinkled about the chemical room soon disinfects it of all iodine or bromine vapor, and also tends to facilitate the operation in the camera.
"American Handbook of the Daguerrotype"
Samuel D. Humphrey