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"Diving Apparatuses are contrivances by means of which divers are enabled to remain a considerable time under water. As the most skillful divers are unable to remain under water more than two or three minutes without artificial respiration, means have been devised by hermetically sealed helmets, diving bells, and diving dresses, so that they can stay for several hours at a time at considerable depths of water and at the same time carry on their work."—(Charles Leonard-Stuart, 1911)

Diving Dress

"Diving Apparatuses are contrivances by means of which divers are enabled to remain a considerable time…

"The diving dress envelops the whole body of the diver, the upper portion a being the "helmet," the intermediate portion b the "breast-plate," and the lower portion c the "dress." The hose by which the air is supplied is shown at d, and e is the "life" or "signal" line, which is attached to the diver's waist, and by which he makes signals and is hauled to the surface. The water-proof material of which the dress is made is very generally sheet india-rubber covered on both sides with tanned twill to protect the india-rubber from injury." — Encyclopedia Britannica, 1893

Diving Dress

"The diving dress envelops the whole body of the diver, the upper portion a being the "helmet," the…

Back view of a diving helmet.

Diving Helmet (Back)

Back view of a diving helmet.

A side view of a diving helmet. K, Segmental neck rings; D, Air conduits; Telephone receiver; N, transmitter; and O, contact piece to ring bell.

Diving Helmet (Side)

A side view of a diving helmet. K, Segmental neck rings; D, Air conduits; Telephone receiver; N, transmitter;…

Top view of diving helmet. C, Air inlet valve; E, Regulating outlet valve; G, Glasses in frames; L, Eyes to which air pipe and life line are secured; and P, Connection for telephone cable.

Diving Helmet (Top)

Top view of diving helmet. C, Air inlet valve; E, Regulating outlet valve; G, Glasses in frames; L,…

The word "parachute" comes from "para", meaning "against" or "counter" in Ancient Greek, and "chute", the French word for "fall". Some modern parachutes are classified as semi-rigid wings, which are maneuverable and can make a controlled descent to break on impact with the ground.

DrogueParachute

The word "parachute" comes from "para", meaning "against" or "counter" in Ancient Greek, and "chute",…

Depicts people relaxing on a lake, canoeing, powerboting, and diving.

Lake Recreation

Depicts people relaxing on a lake, canoeing, powerboting, and diving.

"A duck, <i>Fuligula</i> or <i>Fulix marila</i> and related species. The common scaup inhabits Europe, Asia, and North America. It is from 18 to 20 inches long, and from 30 to 35 in extent of wings." &mdash;Whitney, 1889 <p>In this illustration the duck is sitting on placid water, its feet tucked up underneath its body. Its head and upper body is dark, while its belly is white. There is a tree line in the distance.

Scaup, a Common Duck

"A duck, Fuligula or Fulix marila and related species. The common scaup inhabits Europe, Asia, and North…

"The first sensation in descending under water in a suit of armor is the sudden, bursting roar in the ears, cause by the air driven into the helmet from the air-pump. The flexible air-hose has to be strong enough to bear the pressure of twenty-five to fifth pounds to the square inch." -Lupton

Early Scuba diving

"The first sensation in descending under water in a suit of armor is the sudden, bursting roar in the…