350 



Popular Science Monthly 



The latest fashion 

 in helmets — the 

 screen-like visor 

 which protects 

 the eyes. It can be 

 raised and lowered 



A Screen Visor Is Added to the 

 French Helmet of Steel 



A REVERSION to primitive methods 

 has been one of the remarkable fea- 

 tures of this war. In our school days we 

 learned that soldiers gave up the use of 

 armor because they could fight better 

 without it, and because it afforded no ade- 

 quate protection after firearms became 

 available. Now we must change our minds 

 all over again, for trench helmets of steel 

 are considered absolutely indispensable and 

 even chain armor is used. 



The French were perhaps the first of the 

 warring nations to actually equip their 

 men with bullet-proof headgear, and they 

 are the first to attach a screen-like visor of 

 steel to the helmet for the protection of the 

 eyes, as the photographs above show. 

 The visor can be raised and lowered 

 and when in the latter position it af- 

 fords the eyes protection against shrap- 

 nel and shell splinters. Judging by the 

 size of the-perf orations, the visor would 

 hinder rather than assist 

 the soldier when he is 

 required to take accurate 

 aim in firing. 



Creating a Vacuum to Induce 

 Artificial Respiration 



ANEW type of resuscitating device 

 which commands attention because of 

 its novelty if for nothing else, has been in- 

 vented by H. E. Acklen, of Memphis, 

 Tenn. A rubber cup which creates a 

 vacuum when operated after the fashion of 

 a pump is the inventor's method of 

 methodically raising and lowering 

 the patient's diaphragm to induce 

 breathing. Whether the rubber 

 cup is strong enough to raise 

 the chest and lower it, is the 

 question upon which the 

 practicability of the 

 apparatus rests. At first 

 thought it would seem as if 

 the cup would have all it 

 could do to raise the leather 

 pad and the skin, to say 

 nothing about the chest. 

 But if there is a question 

 regarding the raising capabili- 

 ties of the device, there is no 

 question but what it is suffi- 

 ciently strong to depress the chest. 

 The handle enables the operator to 

 exert a considerable pressure on the in- 

 strument. The vacuum device is secured 

 against the chest by straps which are held 

 to the floor under the operator's feet, as 

 the illustration shows. The up and down 

 movement of the device may be regulated 

 by the straps under the feet of the operator. 

 They also hold the patient down. 



If the apparatus proves practicable it will 

 doubtless be the quickest method yet devised 

 for resuscitating the all-but-drowned. The 

 pressure on the abdominal walls will force 

 the water out of the stomach. 



Raising and lowering the 

 chest with the rubber cup 



