William A. Mercer provides the Office of Indian Affairs a report on the No. 1 Insigner dish washing machine by noting that it has not be utilized very often due to time limitations. Mercer states that due to the large number of girls the turnaround time is 40 minutes compared to half a day for the machine. As a result, Mercer does not recommend the machine for an Indian School.
Mercer Provides a Report on the No. 1 Insinger Dish Washing Machine
June 27, 1906
National Archives and Records Administration
RG 75, Entry 91, box 3176, 1906-#54464