 Canadians, who rallied on the left and advanced, in part through the gas cloud itself. The method first used by the Germans, and retained ever since, is fairly simple, but requires great preparation beforehand. A hole is dug in the botto*m of the trench...  Hospital Corps Quarterly - Page 641918Full view - About this book
 | Sir Norman Lockyer - Electronic journals - 1918 - 880 pages
...The method first used by the Germans is simple, but requires great preparation beforehand. A hole is dug in the bottom of the trench close underneath the parapet, and a gas cylinder is buried in the hole_. It is then covered first with a quilt of moss containing potassium carbonate solution, and then... | |
 | Mineral industries - 1918 - 506 pages
...Germans, and retained ever since, is fairly simple, but requires great preparation beforehand. A hole is dug in the bottom of the trench close underneath the...containing potassium carbonate solution, and then with sand bags. When the attack is to be made the sand bags and protecting cover are taken off the cylinder,... | |
 | Washington Academy of Sciences (Washington, D.C.) - Science - 1918 - 812 pages
...Germans, and retained ever since, is fairly simple, but requires great preparation beforehand. A hole is dug in the botto*m of the trench close underneath...containing potassium carbonate solution, and then with sand bags. When the attack is to be made the sand bags and protecting cover are taken off the cylinder,... | |
 | Albert Shaw - World politics - 1918 - 866 pages
...Germans, and retained ever since, is fairly simple, but requires great preparation beforehand. A hole is dug in the bottom of the trench close underneath the...containing potassium carbonate solution, and then with sand bags. When the attack is to be made the sand bags and protecting cover are taken off the cylinder,... | |
 | Albert Bushnell Hart - World War, 1914-1918 - 1920 - 442 pages
...Germans, and retained ever since, is fairly simple, but requires great preparation beforehand. A hole is dug in the bottom of the trench close underneath the parapet, and a gas-cylinder is buried in the hole. It is an ordinary cylinder, like that used for oxygen or hydrogen.... | |
 | Benjamin Harrow - Knowledge - 1921 - 264 pages
...Germans, and retained ever since, is fairly simple, but requires great preparation beforehand. A hole is dug in the bottom of the trench close underneath the...containing potassium carbonate solution, and then with sand bags. When the attack is to be made the sand bags and protecting cover are taken off the cylinder,... | |
 | American literature - 1918 - 722 pages
...Germans, and retained ever since, is fairly simple, but requires great preparation beforehand. A hole is dug in the bottom of the trench close underneath the...containing potassium carbonate solution, and then with sand bags. When the attack is to be made the sand bags and protecting cover are taken off the cylinder,... | |
| |
