Patent for Apparatus for Cooling and Disinfecting
Drawing
This is a patent document filed by Lewis H. Latimer for an Apparatus for Cooling and Disinfecting, patented on January 12, 1886, under Patent No. 334,078.
The illustration on the document shows:
A framed mesh or screen apparatus, possibly designed to filter, cool, or disinfect air.
Pipes or attachments at the bottom, which could indicate a water-based or airflow mechanism.
Technical labels detailing the components of the device.

This patent is part of Latimer’s contributions to air purification and sanitation technologies. Given his work in electrical engineering and invention, this aligns with his pioneering role in developing ventilation and safety improvements in homes and public buildings.
Latimer Family Papers (1870-1996 ) [QPL Full Collection]
(No Model.) L. H. LATIMER. APPARATUS FOR COOLING AND DISINFECTING. No. 334,078. Patented Jan. 12, 1886. Fig. 1 (Diagram of the apparatus) Labels on the diagram: X C E B A A E E F D WITNESSES: Mary W. Latimer Laura D. Foster INVENTOR: Lewis H. Latimer N. PETERS, Photo-Lithographer, Washington, D.C.