Adapter, power

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OBJECT TYPE
N/A
DATE
1970–1980
ARTIFACT NUMBER
2024.0474.003
MANUFACTURER
Beachell, M.C.
MODEL
Unknown
LOCATION
Ottawa, Ontario, Canada

More Information


General Information

Serial #
N/A
Part Number
3
Total Parts
6
AKA
N/A
Patents
N/A
General Description
Power adapter that connects to the power supply. Adaptateur de courant qui ce lien avec le bloc d'alimentation.

Dimensions

Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.

Length
62.0 cm
Width
N/A
Height
N/A
Thickness
N/A
Weight
N/A
Diameter
N/A
Volume
N/A

Lexicon

Group
Communications
Category
Sound
Sub-Category
N/A

Manufacturer

AKA
Beachell
Country
Canada
State/Province
Ontario
City
Ottawa

Context

Country
Canada
State/Province
Quebec
Period
Hydrophone was designed and built between 1970 and 1980. It was subsequently given by Chester Beachell to his niece as a gift in 1994. L'hydrophone a été conçu et construit entre 1970 et 1980. Il a ensuite été donné par Chester Beachell à sa nièce comme cadeau en 1994.
Canada
The hydrophone No. 20 is one of several hydrophones designed and built by Canadian Chester Beachell, at the NFB in Montreal, between 1970 and 1980. No. 20 is one of the two known surviving examples of Beachell hydrophones. Hydrophone No. 20 is believed to be the last hydrophone Beachell built and represents the culmination of his work developing improved technology for underwater listening and recording. Chester Beachell was a Senior Research Officer, Technical Research Division at the National Film Board from 1951 to 1980. He participated in many projects documenting research expeditions for the NFB. Beachell wrote that “the presence of all this sound in the ‘silent world’ convinced him that he should design and build high quality hydrophones, and a recorder, which could be carried by a diver”. He designed his first experimental hydrophone in November 1970 following a request from Bané Jovanovic, the director of NFB film The Sea. He continued to develop improved hydrophone technology, resulting in underwater recordings that were used in a number of films produced by the National Film Board of Canada.
Function
Used to relay power to the hydrophone and connects to the power supply. Utilisé pour transpor transmettre de l'énergie à l'hydrophone et est attaché au bloc d'alimentation.
Technical
Early hydrophones were improved for military use, primarily for the purpose of locating submarines and icebergs. Hydrophone arrays, or large groups of hydrophones positioned thousands of miles apart, were also used for navigational purposes and in military tracking and contained pre-amplifiers to limit noise contamination. In addition to military purposes, hydrophones today are used to study marine life and assist in undersea conservation efforts. The ordinary elastic bands, bimorph crystal, and protective grill are indicative of Beachell’s early work and can be seen when looking at Hydrophone No. 20. It is likely made out of “hard duraluminum” which allowed Beachell’s hydrophones to withstand pressures of at least 45atm, a depth of 1500ft and was likely coated in Verithane to protect the silver coating from the salt water.
Area Notes
Unknown

Details

Markings
Engraved on the adapter: " CANNON /. 103CEA XLP - 3 - 1IC "
Missing
Appears complete.
Finish
Silver metal adapter with small wiring with light grey synthetic coating and a cream coloured prong. The head of this adapter has an adapter to fit into the power supply. Adapteur argenté en métal avec petite corde avec une couche synthétique grise avec un extrémité en couleur crème. La tête de cet adaptateur est conçu pour se lier au bloc d'alimentation.
Decoration
N/A

CITE THIS OBJECT

If you choose to share our information about this collection object, please cite:

Beachell, M.C., Adapter, power, between 1970–1980, Artifact no. 2024.0474, Ingenium – Canada’s Museums of Science and Innovation, http://collections.ingeniumcanada.org/en/item/2024.0474.003/

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