Renseignements généraux

Nº de série

S/O

Nº de partie

1

Nombre total de parties

15

Ou

Tube, Geissler

Brevets

S/O

Description générale

.1-.8 GLASS & METAL, GASES/.9-.10 WOOD BASE, BRASS? PARTS, SYNTHETIC PARTS/.11 CERAMIC VESSEL CONTINING CORK/ CARDBOARD BOX WITH FABRIC LINING IN PLACES, SYNTHETIC? COVERING

Dimensions

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

Longueur

13,3 cm

Largeur

2,3 cm

Hauteur

S/O

Épaisseur

2,0 cm

Poids

S/O

Diamètre

S/O

Volume

S/O

Lexique

Groupe

Chimie

Catégorie

Équipement de démonstration et d'enseignement

Sous-catégorie

S/O

Fabricant

Ou

Dunscombe

Pays

England

État/province

Inconnu

Ville

Bristol

Contexte

Pays

Worldwide

État/province

Ontario

Période

LAST HALF OF 19TH CENTURY

Canada

GEISSLER & CROOKES TUBES WERE STANDARD EQUIPMENT IN PUBLIC & UNIVERSITYELECTRICAL DEMONSTRATIONS IN LAST HALF OF 19TH CENTURY IN CANADA & ELSEWHERE.

Fonction

SET OF EVACUATED GLASS TUBES FILLED WITH CONDUCTING GASES & WITH EMBEDDED ELECTRODES, SO THAT TUBES GLOW WHEN ELECTRIC CURRENT IS PASSED THROUGH THEM, USED TO DEMONSTRATE PHENOMENON OF FLUORESCENCE.

Technique

EXAMPLE OF EQUIPMENT USED TO ILLUSTRATE PROPERTIES OF CERTAIN GASES IN RELATION TO ELECTRICITY, ESP. FLUORESCENCE. WORK WITH GEISSLER TUBES LED TO DISCOVERY OF CATHODE RAYS; WILLIAM CROOKES INVESTIGATED HOW THEY WERE AFFECTED BY MAGNETIC FIELDS, WHICH EVENTUALLY LED TO TECHNOLOGY OF CATHODE RAY TUBES USED IN TELEVISIONS.

Notes sur la région

Inconnu

Détails

Marques

NONE

Manque

From CA of 12/10/2001 by David Daley: Undetermined - appears to be

Fini

.1-.8 COLOURLESS & TRANSPARENT GLASS TUBES/.9-.10 BROWN STAINED & COATED WOOD BASE, BRASS COLOURED FITTINGS, BLACK SYNTHETIC PARTS/.11 GLAZED OFF-WHITE CERAMIC WITH BROWN CORK/ BLACK SYNTHETIC LEATHER COVERED BOX WITH GREEN LINED INTERIOR, SOME BLACK FABRIC LINING

Décoration

S/O