Page:Popular Science Monthly Volume 88.djvu/554

From Wikisource
Jump to navigation Jump to search
This page needs to be proofread.

How an Enemy Trench is Mined

���5>26

�� �

Retrieved from "https://en.wikisource.org/w/index.php?title=Page:Popular_Science_Monthly_Volume_88.djvu/554&oldid=8242894"