Statements (19)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
scientific instrument
|
| gptkbp:alsoKnownAs |
Weems Parallel Plotter
|
| gptkbp:feature |
ruler
parallel arms rotating protractor |
| https://www.w3.org/2000/01/rdf-schema#label |
Weems Plotter
|
| gptkbp:introducedIn |
1920s
|
| gptkbp:inventedBy |
gptkb:Philip_Van_Horn_Weems
|
| gptkbp:manufacturer |
Weems & Plath
|
| gptkbp:material |
gptkb:plastic
acrylic |
| gptkbp:usedBy |
navigators
pilots |
| gptkbp:usedFor |
marine navigation
aviation navigation |
| gptkbp:usedOn |
nautical charts
aeronautical charts |
| gptkbp:bfsParent |
gptkb:Weems_System_of_Navigation
|
| gptkbp:bfsLayer |
8
|