General Information

Serial #

N/A

Part Number

1

Total Parts

7

AKA

N/A

Patents

N/A

General Description

Brass, glass/ pt. case, wood, brass handle & hinges, some remnants of fabric on accessory tray

Dimensions

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

Length

26.0 cm

Width

24.0 cm

Height

47.0 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

Unknown

Country

Unknown

State/Province

Unknown

City

Unknown

Context

Country

Unknown

State/Province

Unknown

Period

ca. late 19th c.

Canada

None known, purchased at auction.

Function

Used to observe the structure of biological specimens in minute detail.

Technical

The mechanical stage allowed for precise movement of the slide. The Wenham prism was important in that the design had one tube straight & the other inclined. This allows for restoring monocular vision by simply removing the prism. This was necessary for higher powers & resolution of the objective (ref.2)

Area Notes

Unknown

Details

Markings

Engraved on brass plate on top of pt. case "W.T. HAYDON"

Missing

Objective lens, numerous items from acc. tray From CA of 11/20/2001 by David Daley: Yes - n

Finish

.1 Lacquered brass worn in areas;.2 lacquered brass, area around top painted black;.3 dulled brass;.4 lacquered brass some areas are worn;.6-.7 brass painted black/ pt. case wood stained brown, varnished surface; handle dulled brass

Decoration

N/A