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1942 SCHRADER WW II NAVY MK V DIVE HELMET
This Fine Helmet Has Been Sold.
WW II U.S. NAVY MK V DIVE HELMET
STAND NOT INCLUDED
Schrader was one of the original maker's of Navy
MK V's during WW II of which only 7200 MK V helmets were made.
55 lbs BONNET: 33 lbs BREAST PLATE: 22 lbs
SERIAL NUMBER: 702
2019 by Land And Sea Collection™, All Rights Reserved
is a U.S. Navy MK V helmet with an unusual dark green patina which was made by A. Schrader Diving Equipment Co.
in 1942. It was handed down in the family from the diver grandfather to his grandson.
& MARKINGS: Authentic 12 bolt, 4 light Schrader Navy MK V from 1942 with serial number 702 on
the bonnet's inside neck ring. The bonnet also is stamped 694 on the outside speaker cup. These numbers
appear no where else. Except for Front and Back, all the brails are unmarked. The Navy Inspector's mark of a "U anchor
S" does not appear on this helmet. An unmarked check valve is fitted to the air supply elbow.
Partial front over back view of helmet.
Dark green patina
Considering it's 74 year age and marks of heavy use, it is in very good condition overall. A cap is fitted to
the air supply elbow. There are numerous small and larger dents and abrasions all over the bonnet showing its years of
considerable use. The air vents
are all intact. The front door guard, butterfly nut and shaft are recent replacements. The spit cock handle is bent
and is frozen. There is a speaker. A check valve is fitted as is a large nonregulation snap shackle
on the left suspension ring.
Like all used diving gear, this is being
sold for DISPLAY ONLY. It should not be dived without having passed inspection by a certified dive shop.
| Left and Right side of the helmet. The stand is NOT INCLUDED!
| The back of the helmet shows the cap on the comm elbow
used diving gear, this is being sold for DISPLAY ONLY. It should not be dived without having passed inspection by a certified
Perfect vents shown inside of bonnet. Bottom: Inside of the breast plate
OF SCHRADER DIVING: Schrader is one of the oldest names in U.S. diving, second only to Morse. The founder, August
Schrader was a creative and inventive German immigrant who originally set up a shop dealing in rubber products in New
York City, NY in 1839, only a few years after A.J. Morse set up shop in
1845 he began supplying fittings and valves for rubber products made by the Goodyear Brothers. Schrader was also a maker
of daguerreotype apparatus. His original shop was at 115 John Street in Manhattan, NY . Shortly thereafter he went into partnership with Christian Baecher.
Christian was a brass turner and finisher which provided a foundation for what followed.
The two partners, having watched divers at work at a nearby New
York Harbor jetty, decided to improve the diving helmets in use at the time. In 1849, with the help of Baecher,
he created a new copper helmet. Later his interest in diving led to him to design an air pump.
1890, August Schrader saw the need for a bicycle tire valve. By 1891, he produced the Schrader valve. The Schrader valve was
his most popular invention, and is still used today.
1917, the United States Bureau of Construction & Repair introduced the MK V helmet and dress, which then became the standard
for US Navy diving until the introduction of the MK 12 in the late nineteen seventies. Schrader and Morse Diving were
the two original suppliers.
the onslaught of World War Two only Morse and Schrader were making dive helmets for the navy. DESCO and Miller-Dunn went
into production around 1943. In total only about 7,000 MK V helmets were produced by all four companies during the war years
with DESCO producing the most, then Morse, Schrader and Miller-Dunn. The scarcity of the latter two are the reason they command
a higher price in the market.
HISTORY of NAVY MK V DEEP SEA DIVING DRESS:
1915, the Bureau of Construction and Repair had designed the MK V Diving Helmet which seemed to address many of the problems
encountered in diving. This deep-sea outfit was designed for extensive, rugged diving work and provided the diver maximum
physical protection and some maneuverability.
1915 MK V Diving Helmet had an elbow inlet with a safety valve that allowed air to enter the helmet, but not to escape back
up the umbilical if the air supply were interrupted. Air was expelled from the helmet through an exhaust valve on the right
side, below the port. The exhaust valve was vented toward the rear of the helmet to prevent escaping bubbles from interfering
with the diver’s field of vision.
1916, several improvements had been made to the helmet, including a rudimentary communications system via a telephone cable
and a regulating valve operated by an interior push button. The regulating valve allowed some control of the atmospheric pressure.
A supplementary relief valve, known as the spitcock, was added to the left side of the helmet. A safety catch was also incorporated
to keep the helmet attached to the breast plate. The exhaust valve and the communications system were improved by 1927, and
the weight of the helmet was decreased to be more comfortable for the diver.
1927, the MK V changed very little. It remained basically the same helmet used in salvage operations of the USS S-51 and USS
S-4 in the mid-1920s. With its associated deep-sea dress and umbilical, the MK V was used for all submarine rescue and salvage
work undertaken in peacetime and practically all salvage work undertaken during World War II. The MK V Diving Helmet was the
standard U.S. Navy diving equipment until succeeded by the MK 12 Surface-Supplied Diving helmet in February 1980, which
in turn was replaced by the MK 21 in December 1993.
& PACKING: The cost of shipping, packing, handling, and insurance to your destination is an additional
charge. We price our shipping honestly, but we expect to be reimbursed for the nominal cost of packaging materials
and handling. Within the continental United States, a helmet will generally ship for $150.00 depending on destination and
amount of insurance.
UNCONDITIONAL NO NONSENSE GUARANTEE: If not completely satisfied with your purchase it may be returned, if without
damage, within three days of receipt in its original packaging. Return items must be insured for their full value. Only a
prior email authorization by us for the return is required. Shipping charges within the continental United States are
included in this offer if the error is due to our fault.
buyers welcome, but inquire first. We have satisfied customers worldwide.
FORMS OF PAYMENT are Bank wire transfer, cashier's check, or personal check in which case the item will be held
until cleared. Our prices are quoted net to seller, but credit cards may be accepted through PayPal for verified
members by special arrangement.
Copyright 2019 by Land And Sea Collection™, All Rights Reserved