General Information

Serial #

57946

Part Number

1

Total Parts

14

AKA

N/A

Patents

N/A

General Description

.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

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

Length

22.5 cm

Width

18.3 cm

Height

9.5 cm

Thickness

N/A

Weight

N/A

Diameter

N/A

Volume

N/A

Lexicon

Group

Physics

Category

Light & electromagnetic radiation

Sub-Category

N/A

Manufacturer

AKA

Spencer

Country

United States of America

State/Province

New York

City

Buffalo

Context

Country

Unknown

State/Province

Unknown

Period

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.

Function

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.

Technical

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.

Area Notes

Unknown

Details

Markings

.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"

Missing

CLIPS FOR SLIDES

Finish

.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

Decoration

N/A