![](https://pancalarchive.org/wp-content/uploads/2015/06/pc_jp_0015-e1435088626933.jpg)
Description: "Gun drill" by trolley station
Creation Date: ca. 1917-1918
Object ID: pc_jp_0015
Copyright: public domain
Format: real photo postcard
Size: approx 3.5 in x 5.25 in (8.9 cm x 13.4 cm)
Credit: Rosemary Anne Phelan Photo Collection, Panama-California Exposition Digital Archive
Full size image: click here