Statements (33)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
scientific instrument
|
| gptkbp:accuracy |
Typically 0.5 mm/m
|
| gptkbp:alsoKnownAs |
Bubble level
|
| gptkbp:category |
Hand tools
Surveying instruments |
| gptkbp:component |
gptkb:water
gptkb:Vial Bubble |
| gptkbp:feature |
Markings to indicate level
Multiple vials for different angles Vial filled with liquid and air bubble |
| https://www.w3.org/2000/01/rdf-schema#label |
Spirit level
|
| gptkbp:inventedBy |
17th century
Melchisédech Thévenot |
| gptkbp:material |
gptkb:glass
Metal Plastic |
| gptkbp:relatedTo |
Laser level
Plumb bob Inclinometer |
| gptkbp:type |
Carpenter's level
Digital level Line level Post level Torpedo level Bull's eye level |
| gptkbp:usedFor |
Determining horizontal plane
Determining vertical plane |
| gptkbp:usedIn |
Construction
Surveying Carpentry |
| gptkbp:bfsParent |
gptkb:Theodolite
|
| gptkbp:bfsLayer |
6
|