Renseignements généraux

Nº de série

57946

Nº de partie

1

Nombre total de parties

14

Ou

S/O

Brevets

S/O

Description générale

.1 BRASS WITH GLASS MIRROR, PARTS/.2 BRASS/.3-.11 BRASS? WITH GLASS OPTICS/.12-.13 FLAT BRASS? PLATES/.14 ALUMINUM CASE WITH FABRIC PADDING; ATTACHED PLASTIC LUGGAGE TAG CONTAINS CARDBOARD BUSINESS CARD

Dimensions

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

Longueur

22,5 cm

Largeur

18,3 cm

Hauteur

9,5 cm

Épaisseur

S/O

Poids

S/O

Diamètre

S/O

Volume

S/O

Lexique

Groupe

Physique

Catégorie

Lumière et radiation électromagnétique

Sous-catégorie

S/O

Fabricant

Ou

Spencer

Pays

United States of America

État/province

New York

Ville

Buffalo

Contexte

Pays

Inconnu

État/province

Inconnu

Période

C. 1930+

Canada

MICROSCOPE WAS OWNED BY LOUIS MOYD (BORN 1916), AMERICAN BORN GEOLOGIST WHO AS GEOLOGICAL CONSULTANT WORKED EXTENSIVELY IN CANADIAN SHIELD. FROM 1965 TO 1981 MR. MOYD WAS CURATOR OF GEOLOGY AT CANADIAN MUSEUM OF NATURE; HIS WIFE PAULINE WAS ALSO FREE-LANCE GEOLOGIST WHO WORKED FOR GEOLOGICAL SURVEY OF CANADA FROM 1966 TO TO 1981.

Fonction

OPTICAL INSTRUMENT HAVING MAGNIFYING LENS OR COMBINATION OF LENSES DESIGNED TO OBJECTS THAT ARE TOO SMALL BE SEEN BY NAKED EYE, OR TOO SMALL TO BE SEEN DISTINCTLY OR IN DETAIL. THIS MODEL WAS DESIGNED FOR USE IN FIELD BY BOTANIST OR GEOLOGIST & WAS USED BY GEOLOGIST.

Technique

THIS IS LONG PRODUCED MICROSCOPE OF SPENCER LENS CO. APPEARING IN THEIR CATALOGUES FROM 1910-1935 & PROBABLY LONGER. THIS PORTABLE "RESEARCH MICROSCOPE" WAS INTENDED FOR FIELD USE BY VERY SERIOUS BOTANIST OR GEOLOGIST. IT REPLACED COMMON SMALL FOLDING MICROSCOPES (LIKE THOSE BY WM CARY IN EARLY 19TH C. PRODUCED THOUGH MUCH OF THAT CENTURY) USED BY AMATEUR BOTANISTS & GEOLOGISTS.

Notes sur la région

Inconnu

Détails

Marques

.1 HANDWRITTEN WHITE NUMBER ON UNDERSIDE/.2 INCISED "SPENCER/ BUFFALO/ U.S.A./.3-.4 INCISED "10X"/.5-.6 INCISED "6X"/.7-.8 INCISED "4X"/.9 INCISED "57946"/.10 INCISED "57946" & "40MM"/.11 INCISED "57946" & "25 MM"/.14 INCISED "SPENCER/ BUFFALO/ U.S.A." ON INSIDE; BUSINESS CARD READS "LOUIS MOYD/ CONSULTANT, GEO-MIN SERVICES/ 1 Nesbitt Street/ Nepean, Ontario, Canada K2H 8C4 (613) 828-6696"

Manque

CLIPS FOR SLIDES

Fini

.1-.2 PAINTED BLACK; SILVERED GLASS; WHITE GLASS; COLOURLESS, TRANSPARENT GLASS/ 3-.8 PLATED & PAINTED BLACK; COLOURLESS, TRANSPARENT GLASS/.9-.11 PAINTED BLACK; COLOURLESS, TRANSPARENT GLASS/.12-.13 PAINTED BLACK/.14 PAINTED BLACK WITH RED & GREEN PADDING; COLOURLESS, TRANSPARENT TAG; WHITE CARD

Décoration

S/O