Statements (17)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:telephone_handset
|
| gptkbp:feature |
integrated transmitter and receiver
|
| gptkbp:introduced |
gptkb:Western_Electric
|
| gptkbp:introducedIn |
1937
|
| gptkbp:material |
gptkb:plastic
gptkb:Bakelite |
| gptkbp:notableModel |
Western Electric 500 handset
|
| gptkbp:practicedWorldwide |
true
|
| gptkbp:replacedBy |
E-type handset
modular handsets |
| gptkbp:standardizedBy |
mid-20th century telephones
|
| gptkbp:usedBy |
gptkb:Bell_System
|
| gptkbp:usedFor |
rotary dial telephone
push-button telephone |
| gptkbp:bfsParent |
gptkb:Western_Electric_Model_500_telephone
|
| gptkbp:bfsLayer |
8
|
| http://www.w3.org/2000/01/rdf-schema#label |
G-type handset
|