1918.Liq­uid chlo­rine. [33]Gas­e­ous chlo­rine. [34]Chlor­picrin.Phos­gene.Mus­tard oil.Brom­benzyl cy­a­nide.White phos­pho­rus.Tin tet­ra­chlo­ride.Ti­ta­ni­um tet­ra­chlo­ride.
January10
February2734
March40597438
April176331559116
May37813018705150
June5462632366095
July512499100218011227
August243646314361629453
September4381915643271441259626
October2426494456643612657525
November14826410015514357718
Total2,7231,1042,7761,61671151,006695181
Amount shipped overseas1,4881,903420190171106
Total monthly producing capacity, Nov. 1, 19188951,5001,5001,050900901009130
Estimated capacity, Jan. 1, 19191,1002,2501,5001,6504,000901009130

[33] Procured from commercial agencies.

[34] Manufactured at Edgewood.

Shell, grenades, Livens drums, and drop bombs filled.
1918.75-mm. shell.Grenades.Livens drums.Incendiary drop bombs.
Chlor­picrin.Phos­gene.Mus­tard oil.White phos­pho­rus.Tin tet­ra­chlo­ride.Phos­gene.Mark I.Mark II.
July62,8668,6961,639
August125,951170,16056,7631,738350
September110,3581,98875,52951,421127,3196,3551,998
October09,7041279,272110,928147,66912,026184100
November15,892922498,94830,3865,57086
Total424,7712,009155,025440,153363,77625,6895422,104
Total number shipped overseas300,000150,000224,984175,08018,600
75-mm. shell (ultimate capacity)2,400,000
4.7-inch shell450,000
155-mm. shell540,000
6-inch shell180,000
Gas grenades750,000
Smoke grenades480,000
Livens drums30,000


CHAPTER II.
GAS DEFENSE EQUIPMENT.

During the spring and summer of 1917 two marked tendencies were to be observed in the fighting in France. One of these was the greatly increased use by both sides of poisonous gases and chemicals, frightful in their effect; the other the almost complete censorship that hid the knowledge of this tendency not only from the people of Europe but particularly from those of the newest belligerent, America. The French and British Governments, who then controlled all news from the front, feared, and perhaps with reason, that if the picture of gas warfare, as it was then developing, should be placed before the American people, it would result in an unreasonable dread of gases on the part of the American Nation and its soldiers.