Scuba Diving Flashcards
An underwater swimming activity involving the use of self-contained underwater breathing apparatus (SCUBA).
Scuba Diving
SCUBA
self-contained underwater breathing apparatus
use of simple cauldron was used; trap air inside the container where the diver swims out until he or she runs out of breath, then returns to the bell to replenish the air.
1300s
improved bell by Edmund Halley; two people inside pulled down the dive glove with trapped air.
1690s
John Lethbridge’s diving engine; underwater oak cylinder supplied with compressed air from the surface.
1715s
originally for fighters, Charles Anthony Deane invented the “smoke mask.”
1823s
the first workable, full-time SCUBA was invented by William James
1825s
Augustus Siebe innovated closed diving suit to complete the diving helmet
1837s
first diving school was established by the Royal Navy
1843s
Henry A. Fleuss developed the first self-contained diving gear that used compressed oxygen
1876s
Jacques Cousteau and Emile Gagnan redesigned a car regulator which gave compressed air to divers. This style has transformed the diving world and is now what we know as the contemporary SCUBA.
1943s
Creates the air pocket to have a clearer view of the underwater life.
Dive Mask
A breathing tube allowing you to inhale and exhale through your mouth when swimming face down on the water surface.
Snorkel
Contains the pressurized air which allows one to breathe and to stay longer underwater.
Scuba Tank
Allows you breathe underwater. It connects to your tank and delivers air to your mouth when you inhale.
regulator
