Renseignements généraux

Nº de série

S/O

Nº de partie

1

Nombre total de parties

1

Ou

S/O

Brevets

S/O

Description générale

Steel case, glass window, calibrated metal meter face, plastic thumb nuts, brass thumb nuts.

Dimensions

Remarque : Cette information reflète la taille générale pour l’entreposage et ne représente pas nécessairement les véritables dimensions de l’objet.

Longueur

11,4 cm

Largeur

22,9 cm

Hauteur

S/O

Épaisseur

S/O

Poids

S/O

Diamètre

S/O

Volume

S/O

Lexique

Groupe

Énergie-électrique

Catégorie

Mesurage

Sous-catégorie

S/O

Fabricant

Ou

Weston

Pays

United States of America

État/province

New Jersey

Ville

Newark

Contexte

Pays

Amérique du Nord

État/province

Inconnu

Période

1902-1940

Canada

Was used in radio station VE90B now CHU, Canada's time reference source maintained by the Dominion Observatory.

Fonction

Used to monitor the flow of direct current in a power room.

Technique

This artifact is similar to 68.0580. The fact that this model was still being mfr'd in 1941 shows the usefulness of its design.

Notes sur la région

Inconnu

Détails

Marques

Label glued to the back of the ammeter reads: "DIRECTIONS./ It is important that the following be carefully observed in connecting/ up Weston Ammeter with shunts:/ 1st. See that the instrument, cables and shunt bear the same manufacturing numbers, as/ they are adjusted and numbered in sets, and each set must therefore be connected up together./ 2nd. Always connect the cable to the shunt first before connecting to the instrument./ 3d. All contacts must be cleaned and screwed down firmly./ 4th. Do not cut the cables or in any way change the/ length of them./ 5th. Do not break the seals; if the instrument is out of order ship it to the maker for repairs./ 6th. When shipping instruments fasten the cover to the packing box with screws, not nails,/ as the pounding with the hammer will injure the instrument./ WESTON ELECTRICAL INSTRUMENT CO.,/ NEWARK, N.J., U.S.A." Face plate reads: "WESTON AMMETER/ MADE BY/ WESTON ELECTRICAL INSTRUMENT COMPANY/ NEWARK, N.J; U.S.A." Mfr. patent plate: "PATENTED NOV. 6, 88. MAY, 14, 89./ APR. 29, 90. NOV. 11, 90. FEB. 17, 91./ MAY, 12, 91. DEC. 29, 91. MAR. 8, 92./ APR. 26, 92. JUN. 28, 92. AUG. 16, 92./ NOV. 22, 92. JAN. 31, 93. APR. 4, 93./ MAY 2, 93. MAY, 16, 93. JUN. 13, 93./ JUL. 10, 94. NOV. 20, 94. JAN. 29, 95./ OCT. 4, 98. JUL. 16, 01./ DESIGN PATENTS JUN. 10, 90./ MAR. 20, 94. MAR. 27, 94. MAR. 22, 98."

Manque

External shunts.

Fini

Black glossy enamel on case, meter face dull/ Black enamel with raised nickel plated decoration and manufacturer's name.

Décoration

Raised leaf like decoration on face.