Smoke Inspector's Chart
Louis C. Towner - 1907-08
Towner's chart on the National Biscuit Co., Berkey and Gay Furniture, and the Murray Building showing the level of pollution prior (red line) to either installing new equipment or changing the quality of coal used (purple line). The figures at the far right of the chart show percentage changes related to the colored lines on the chart.
Subjects
Full Details
| Title | Smoke Inspector's Chart |
|---|---|
| Creator | Louis C. Towner |
| Date | 1907-08 |
| Format | Document |
| Notes | Title by cataloger. Chart is taken from the Smoke Inspector's report in the Grand Rapids Annual Report of City Departments 1908-09. |
| Collection | Community Archives and Research Center (CARC), |
| Rights | Reproduction and copyright information regarding this image is available from Community Archives and Research Center (CARC), Grand Rapids, MI |
| Institution | Community Archives and Research Center (CARC), |