This device was used to measure the condition of blood by visually counting the number of cells in a blood sample under a microscope. Used in the United States.
A postcard featuring a colored image advertising the Ye Olde Water Wheel Restaurant in Prattville, Ala. on the site of the former Red Devil Lake amusement park. The back reads, "6 miles from Montgomery on U. S. 31 & U. S. 82, featuring charcoal steaks and select seafoods. Unexcelled cuisine—private dining room."