| Publication Type | Book |
| Source | General Radio Company, Cambridge, MA (1957) |
| Keywords | bibliographic |
| Abstract | General Radio Company Operating and Maintenance Instructions for Type 1530-A Microflash. Illustrated with photgraphs of unit in action and exploded views, with schematics. Explanation of variety of ways to trigger flash- with tripwire, microphone, crystal phonograph pickup, photoelectric cell |