News Articles and Ephemera
| Title: | Harmonic Reed Co., Rosement, Pa. |
|---|---|
| Author: | |
| Source: | |
| Date: | 1990 |
| Folder/Item #: | Business (1) to 1999; 13 |
| Notes: | |
| Abstract: | Packet of letters and articles dealing with the Spitz Junior Planetarium manufactured by the Harmonic Reed Co., Dr. Armand Spitz, its inventor, T.K. Liversidge, Mary Keim and Conrad F. Goeringer’s search for information about the company |