Nine prisms in wooden box

Nine prisms in wooden box, including a composite one made out of six different glasses, 5 by Chance of Birmingham, with MS list of the glasses, late 19th century (Wellcome B885)

Details

Category:
Optics
Collection:
Sir Henry Wellcome's Museum Collection
Object Number:
1984-1340
type:
prism- optical, porro prism, erecting prism and porro–abbe prism
credit:
Wellcome Trust

Parts

Collection of glass prisms

Collection of glass prisms

Nine prisms. 1) composite equilateral prism made out of six different types of glass 2) composite equilateral prism made out of three different types of glass 3) equilateral prism 4) regular rightangled prism 5) assymetrical right angled prism 6) two right angled prisms cemented together, one symmetrical, one assymetrical 7) sequence of three Porro-type prisms showing three stages of construction. [Five are made by Chance Brothers of Birmingham], late 19th century (Wellcome B885);

Measurements:
overall: x x , , .355kg
Materials:
glass and cork
Object Number:
1984-1340/1
type:
prism- optical , porro prism , erecting prism and porro–abbe prism
Image ©
The Board of Trustees of the Science Museum
Wooden case for nine prisms

Wooden case for nine prisms

Wooden case (for nine prisms including a composite one made out of six different glasses, 5 by Chance of Birmingham), with MS list of the glasses, late 19th century (Wellcome B885)

Object Number:
1984-1340/2
type:
box - container