(Source: pictureshistory.blogspot.co.uk)
British infantry advancing through poison gas at Loos, France, 1915.
(Source: incredibleimages4u.blogspot.co.uk)
(Source: edwardianpromenade.com)
Welding tool adaptation for an amputee at Walter Reed, 1919.
Before the invention of radar, these acoustic location devices were used to detect enemy aircraft during WW1 and WWII.
(Source: gmic.co.uk)
(Source: biochembelle.wordpress.com)
![World War I Masks by Anna Coleman Ladd, 1918The top row are casts taken from soldiers mutilated faces, the bottom row shows masks of their faces before their injuries, made from pre-war photographs. On the table are masks made to fit over the disfigured part of the face. [ftp]](http://25.media.tumblr.com/tumblr_lp7damlnB71qaxnilo1_500.jpg)
World War I Masks by Anna Coleman Ladd, 1918
The top row are casts taken from soldiers mutilated faces, the bottom row shows masks of their faces before their injuries, made from pre-war photographs. On the table are masks made to fit over the disfigured part of the face. [ftp]
(via eurhydice)
(Source: firstworldwar.com)
Before the invention of radar, these acoustic location devices were used to detect enemy aircraft during WW1 and WWII.
(Source: lilesnet.com)