German artillerymen practicing with their new range finding apparatus on Essen heath

Titolo: German artillerymen practicing with their new range finding apparatus on Essen heath
Oggetto: en Imagined technology & prototypes; en Other
Article Title and/or Image Caption: German Artillerymen Practicing with Their New Range Finding Apparatus on Essen Heath (caption)
Autore secondario: Heath Robinson (illustrator)
Lingua: eng
Copertura temporale: World War I
Data di rilascio: 1917-08-20
pagine: 12
Diritti: Public Domain
Sorgente: https://archive.org/details/sim_puck_1917-08-05_81/page/n13/mode/2up
Archived by: David Gangemi