Patent for improvements made in the design of disinfecting devices in order to create "a simple and inexpensive apparatus ... effective in evaporating and distributing disinfectants, liquid perfumes or other fluids" (lines 10-13), including illustrations and a description. The device is designed to "discharge a regular supply" (line 14) of fluids, be of "strong, durable, simple" (lines 25-26) construction, and make visible the amount of disinfectant remaining in the device.