Periscopes

GPTKB entity

Statements (26)
Predicate Object
gptkbp:instanceOf Optical instrument
gptkbp:allows Viewing around corners
Viewing over obstacles
gptkbp:canBe Simple
Complex
gptkbp:category gptkb:military
gptkb:Optics
Observation devices
gptkbp:consistsOf gptkb:Prisms
Mirrors
gptkbp:doNotRequire Direct line of sight
https://www.w3.org/2000/01/rdf-schema#label Periscopes
gptkbp:introducedIn 19th century
gptkbp:inventedBy gptkb:Jules_Carpentier
gptkb:Simon_Lake
gptkbp:relatedTo sunglasses
Telescopes
gptkbp:usedBy Military
Civilians
gptkbp:usedFor Observation from concealed or protected position
gptkbp:usedIn Tanks
Submarines
Armored vehicles
Trenches
gptkbp:bfsParent gptkb:Prism
gptkbp:bfsLayer 5