Dollond's refractor

GPTKB entity

Statements (46)
Predicate Object
gptkbp:instanceOf refracting telescope
gptkbp:associatedWith gptkb:Royal_Society
gptkbp:contributedTo understanding of celestial bodies
gptkbp:exhibitedAt gptkb:London
gptkbp:exhibits principles of optics
gptkbp:famousFor 18th century
gptkbp:features long focal length
gptkbp:firstHeld observational astronomy
gptkbp:hasCitations size and weight
gptkbp:hasDescription two-lens system
gptkbp:hasLegalStatus historical significance in astronomy
https://www.w3.org/2000/01/rdf-schema#label Dollond's refractor
gptkbp:improves William Herschel
achromatic lenses
gptkbp:influenced future telescope designs
gptkbp:influencedBy gptkb:Isaac_Newton
gptkbp:inspiration optical research
gptkbp:inventor gptkb:John_Dollond
gptkbp:isAssociatedWith John_Dollond's_legacy
gptkbp:isCitedIn historical texts
gptkbp:isConsidered an important invention in optics
a milestone in telescope development
gptkbp:isDocumentedIn scientific literature
gptkbp:isEngagedIn science fairs
gptkbp:isFeaturedIn astronomy museums
gptkbp:isNotedFor its clarity of image
gptkbp:isPartOf telescope history
astronomical collections
gptkbp:isRecognizedBy astronomical societies
gptkbp:isRelatedTo optical instruments
gptkbp:isStudiedIn optics courses
gptkbp:isUsedBy professional astronomers
gptkbp:isUsedFor star observation
gptkbp:isVisitedBy gptkb:England
gptkbp:madeOf glass lenses
gptkbp:notableFor correcting chromatic aberration
gptkbp:relatedTo reflecting telescopes
gptkbp:replacedBy modern telescopes
gptkbp:requires mounting equipment
gptkbp:significance advancement in telescope technology
gptkbp:type achromatic telescope
gptkbp:usedBy amateur astronomers
gptkbp:usedFor astronomy
gptkbp:usedIn scientific studies
gptkbp:wasPartOf scientific community
gptkbp:yearEstablished 1758