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Gas Masks
The history of gas masks, the gas mask was an evolutionary invention and no single inventor can be named.
Soldier and horse, both wearing gas masks.
Related History
History of the Iron Lung or Respirator
Diving Equipment
By Mary Bellis

Inventions that aid and protect the ability to breath where gas, smoke or other poisonous fumes exist, occurred before 1915 and the first use of modern chemical weapons. Modern chemical warfare began in Ypres, France; when German soldiers first used chlorine gas on April 22, 1915, to attack the French. Long before that date, miners, firemen, and underwater divers all had a need for helmets that could provide breathable air, and the early prototypes for gas masks were developed to meet those needs. 

In 1823, brothers, John and Charles Deane patented a smoke protecting apparatus for firemen that was later modified for underwater divers. Augustus Siebe marketed an early diving suit in 1819. Siebe's suit included a helmet to which air was pumped via a tube to the helmet and spent air escaped from another tube. The inventor founded Siebe, Gorman and Co., a company that developed and manufactured respirators for a variety of purposes that was later instrumental in developing defense respirators.

In 1849, Lewis P. Haslett patented an "Inhaler or Lung Protector," the first U.S. patent (#6529) issued for an air purifying respirator. Haslett's device filtered dust from the air. In 1854, Scottish chemist John Stenhouse invented a simple mask that used charcoal to filter noxious gases.

In 1860, Frenchmen, Benoit Rouquayrol and Auguste Denayrouse invented the Résevoir-Régulateur, intended for use in rescuing miners in flooded mines, the Résevoir-Régulateur could be used underwater. The device was made up of a nose clip, and a mouthpiece attached to an air tank that the rescue worker carried on his back. 

In 1871, British physicist John Tyndall invented a fireman's respirator that filtered air against smoke and gas. In 1874, British inventor, Samuel Barton patented a device that "permitted respiration in places where the atmosphere is charged with noxious gases, or vapors, smoke, or other impurities" according to U.S. patent #148868.

American, Garrett Morgan patented the Morgan safety hood and smoke protector in 1914. Two years later, Garrett Morgan made national news when his gas mask was used to rescue 32 men trapped during an explosion in an underground tunnel 250 feet beneath Lake Erie. The publicity sold the safety hood to firehouses across the United States. Some historians site the Morgan design as the basis for early U.S. army gas masks used during WW1, others do not.

Early air filters include simple devices such as a soaked handkerchief held over the nose and mouth. Those devices evolved into various hoods worn over the head and soaked with protective chemicals, goggles for the eyes and later filters drums were added. 

The British built a carbon monoxide respirator for use during WW1 in February 1915, before the first use of chemical gas weapons. It was discovered that unexploded enemy shells gave off high enough levels of carbon monoxide to kill soldiers in the trenches, foxholes, and other contained environments. Similar, to the dangers of the exhaust from a car with its engine turned on in an enclosed garage. 

Canadian, Cluny Macpherson designed a fabric 'smoke helmet' with a single exhaling tube, impregnated with chemical sorbents to defeat the airborne chlorine used in the gas attacks. Macpherson's designs were used and modified by allied forces and are considered the first to be used to protect against chemical weapons. 

In 1916, the Germans added larger air filter drums to their respirators containing gas neutralize chemicals. The allies soon added filter drums to their respirators as well. One of the most notable gas masks used during WW1 was the British Small Box Respirator or SBR designed in 1916. The SBR was probably the most reliable and heavily used gas masks used during WW1. be continued.

Garrett Morgan
Garrett Morgan was an inventor and businessman from Cleveland, who invented a device called the Morgan safety hood and smoke protector in 1914.

Cluny MacPherson
MacPherson began researching methods of protection against poison gas and invented the MacPherson respirator or gas mask in 1915. 

1840s-1870s: The Invention of the Gas Mask
Varieties of gas masks developed from 1840s onward.

The Early Gas Masks of World War I
It is generally accepted by historians that the first instance of chemical warfare took place at Ypres when the Germans attacked the French with a concentrated cloud of chlorine gas on April 22, 1915. This disastrous event prompted the development of the first defense respirators. 

British Mandate Gas Masks During WW2
Adult gas masks were black whereas children had 'Mickey Mouse' masks with red rubber pieces and bright eyepiece rims. 

Photo Collections
Gas Mask Museum
Gas Mask Images
Gas Masks of WW2
A Brief History and Photos of Gas Masks

Continue with individual inventors >>> Cluny MacPherson or Garrett Morgan

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