Dioptrice

pre-1775 refracting telescopes

e.g. “dollond”

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+ Year range:

1600 - 2014
+ Focal length range (mm):

0 - 2000
+ Free aperture range (mm):

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+ Full aperture range (mm):

1600 - 2014
+ Open length range (mm):

0 - 2000
+ Closed length range (mm):

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+ Categories: Art Collection
Book or Manuscript
Instrument Collection
+ Materials:

organics

bamboo
black ivory
bone
boxwood
ebony
fish skin
horn
ivory
lacquer
leather
lignum vitae
mahogany
paper
parchment
pasteboard
rayskin
shagreen
sharkskin
tortoiseshell
vellum
wood

metal

brass
copper
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gold tooling
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silver
silver tooling
unknown

glass

glass
rock crystal
speculum

other

marble
paint
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+ Collection:
+ Objective type:

(all refractors)
(all reflectors)
(clear selection)

 

N/A
cassegrain
doublet (crown forward)
doublet (flint forward)
doublet (unknown)
gregorian
herschelian
newtonian
singlet
triplet
unconfirmed
unknown reflector

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Dumfries Museum & Camera Obscura

Sort by: year maker (A-Z) maker (Z-A) accession collection

Filter by: Book or Manuscript Instrument Collection Art Collection

Show 10 50 100 telescopes

Displaying all 5 telescopes

38160071 Watkins
Dumfries Museum & Camera Obscura, Dumfries, Scotland
DUMFM:1966.24

38160074 Hughes, H
Dumfries Museum & Camera Obscura, Dumfries, Scotland
DUMFM:0213.21

38160549 Unknown
Dumfries Museum & Camera Obscura, Dumfries, Scotland
DUMFM:1990.27.11

38160550 Bateman & Branches
Dumfries Museum & Camera Obscura, Dumfries, Scotland
DUMFM:0213.19

63119349 Unknown
Dumfries Museum & Camera Obscura, Dumfries, Scotland
DUMFM:0213.20

 

Dioptrice is made possible by the generous support of the National Science Foundation, the National Endowment for the Humanities, the Program in the History and Philosophy of Science at the University of Notre Dame, and the Adler Planetarium & Astronomy Museum.