Cable

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Ingenium, 2008.1882.001
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OBJECT TYPE
custom
DATE
Unknown
ARTIFACT NUMBER
2008.1882.001
MANUFACTURER
Unknown
MODEL
Unknown
LOCATION
Unknown

More Information


General Information

Serial #
N/A
Part Number
1
Total Parts
1
AKA
N/A
Patents
N/A
General Description
An artifact made of metal and synthetic material/Un objet fait avec du matériel en métal et des composantes synthétiques.

Dimensions

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

Length
32.6 cm
Width
24.8 cm
Height
7.7 cm
Thickness
N/A
Weight
N/A
Diameter
N/A
Volume
N/A

Lexicon

Group
Chemistry
Category
Test-measurement equipment
Sub-Category
N/A

Manufacturer

AKA
Unknown
Country
Unknown
State/Province
Unknown
City
Unknown

Context

Country
Canada
State/Province
Ontario
Period
1967-1990s
Canada
The vacuum Ebert spectrograph, developed by Donald A. Ramsey at the NRC, was a central instrument in Canada’s contributions to spectroscopy from approximately 1950 to the 1990s. Lead by Nobel Laureate, Gerhard Herzberg, Canada was a leader in this part of physics in the post WWII era. Using this device, D.A. Ramsey and Barry Lutz were able to confirm that the Kuiper bands of Uranus were made of methane. This finding had eluded scientists since the early days of astrophysics. Ramsey, a gifted experimenter, was able to produce this extremely high-resolution spectrograph, in order to determine the origins of the bands in the laboratory. The laboratory findings were compared with Lutz’s observations and measurements of the Uranus bands. The measurements were based on observations taken at the Mount Hamilton Station of the Lick Observatory, California. Le spectrographe Ebert avec une pression à vide était conçu au NRC par Donald A. Ramsey. L'instrument était primordial pour que le Canada puisse contribuer au domaine de spectroscopie pour plus de quarante ans entre 1950 et les années 1990s. La recherche était menée par Gerhard Herzberg qui était un lauréat pour le prix Nobel. Canada est rapidement devenu le meneur dans ce domaine de la physique après la deuxième Guerre Mondial avec Herzberg en charge. M. Ramsey et Barry Lutz ont réussit à confirmer que les bandes Kuipers de l'Uranus sont faits en méthane en utilisant cette machine. La découverte échappait aux scientifiques depuis l'enfance de l'astrophysique. Ramsey était capable de produire ce spectrographe à haute résolution pour déterminer l'origine des bandes au laboratoire. Le scientifique a pu comparer ces résultats avec ceux de Lutz. Les deux séries de mesurément étaient pris à la station de Mont Hamilton a l'observatoire Lick en Californie.
Function
This cable would have been cut to create a custom cable. This cable could have been used to help various components of the Ramsey or Ebert spectrograph. Ce câble état coupé pour créer un câble personnalisé. Ce câble était possiblement utilisé pour faciliter les tâches de plusieurs composantes du spectrographe Ramsey ou Ebert.
Technical
This type of spectrograph dates back to the work of Hermann Ebert in 1889. He developed a spectrometer that consisted of an entrance slit, a single concave spherical mirror, a diffraction grating, and a small photographic plate in the plane of the entrance slit. This artifact is a Ramsey spectrograph, a 33-meter multiple-path cell, that produced spectra of the highest resolution at the time. The main body of this spectrograph was made by Fleck Industries before being installed at the NRC. Despite difficult struggles with leaks in the early construction phase of the optical components, large leak detectors (as big as fridges at the time) were installed and used to locate and fix the leaks. The resultant vacuum conditions allowed for much longer exposures and more precise images. This instrument was also a success due to its optics. The initial resolution of the instrument was not as good as expected, and a new mirror had to be ground and installed. The resolution improved significantly. There were also two gratings in this model, one high and the other low resolution. Ce genre de spectrographe est inspiré par le travail de Hermann Ebert en 1889. Il a développé un spectromètre qui possédait une fente d'entrée, un miroir concave et sphérique, un réseau de diffraction et une plaque photographique située sur le plan de la fente d'entrée. Cet artefact est un spectrographe Ramsey qui possède un trajet-multiple de plus de trente-trois mètres qui produisaient une résolution de la plus haute qualité de sa génération. Le corps du spectrographe était fabriqué par Fleck Industries. Malgré les fuites au début de la phase de construction des composantes optiques, l'installation des détecteurs de fuites installer par la suite ont réussi à trouver et arrêter le déluge. Les conditions après l'installation a construit des conditions de pression à vide qui permettait à la machine de développer des images plus précises avec une exposition prolongée. L'instrument était aussi favori grâce à ces composantes optiques. La résolution initiale n'était pas une haute gamme et donc un nouveau miroir a dû être dépoli et installer. Ceci a augmenté la résolution a un niveau requis. Il y avait aussi deux genres de réseau qui accompagnaient ce modèle qui permettait à une résolution base ou celui qui apportait une résolution plus augmentée.
Area Notes
Unknown

Details

Markings
On the side of the body of the cable/Sur le côté du corps du câble:"CSA CMG 16 AWG LL83251 (UL) CM E129985 CSA AWM II A/B105C 600V FT4 LL67097 WO#066106", On the blue wire caps/Sur les capuchons de connexions bleues:"PANDUIT 16-14",On the pink wire caps/Sur les capuchons de connexions roses:"PANDUIT 22-18-250".
Missing
The plastic cap that goes on the end of one of the wires is missing/Y manque un des capuchons de connexion faits en plastique.
Finish
A cable with a body made of grey synthetic material. Black lettering is visible on the outside of the cable. The cable has three wires inside of it that are red, white ad black respectively. The cables have wire caps on them that are made of synthetic material. One end of the cable has blue wire caps while the other end has pink wire caps. It is also possible that a blue coloured aluminum sheet lines the inside of the cable. The heads of the wires are made of a silver coloured metal and are flat. Un câble qui a un corps synthétique de couleur grise. Le câble à trois fils à l'intérieur de sa manche qui sont rouges, blanc et noir. Les câbles ont des capuchons de connexions faits en plastique qui sont bleus à un bout et rose à l'autre. Les têtes des fils sont faites en métal de couleur argent. Il est aussi possible qu'une tôle d'aluminium de couleur bleue est visible à l'intérieur du câble. Un lettrage noir est visible sur le corps du câble.
Decoration
N/A

CITE THIS OBJECT

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

Unknown Manufacturer, Cable, Unknown Date, Artifact no. 2008.1882, Ingenium – Canada’s Museums of Science and Innovation, http://collections.ingeniumcanada.org/en/id/2008.1882.001/

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