Western Electric Model 300 telephone
                        
                            GPTKB entity
                        
                    
                Statements (23)
| Predicate | Object | 
|---|---|
| gptkbp:instanceOf | gptkb:smartphone | 
| gptkbp:color | black | 
| gptkbp:countryOfOrigin | gptkb:United_States | 
| gptkbp:designedBy | gptkb:Henry_Dreyfuss | 
| gptkbp:dialColor | rotary | 
| gptkbp:discontinued | 1954 | 
| gptkbp:feature | rotary dial integrated handset internal ringer | 
| gptkbp:introduced | 1937 | 
| gptkbp:manufacturer | gptkb:Western_Electric | 
| gptkbp:material | gptkb:Bakelite | 
| gptkbp:notableFor | first widely used American telephone with all components in one housing | 
| gptkbp:powerSource | telephone line | 
| gptkbp:predecessor | Western Electric Model 102 telephone | 
| gptkbp:successor | gptkb:Western_Electric_Model_500_telephone | 
| gptkbp:type | desk telephone | 
| gptkbp:usedBy | gptkb:Bell_System | 
| gptkbp:usedIn | gptkb:North_America | 
| gptkbp:weight | about 5 pounds | 
| gptkbp:bfsParent | gptkb:Western_Electric_Model_500_telephone | 
| gptkbp:bfsLayer | 8 | 
| https://www.w3.org/2000/01/rdf-schema#label | Western Electric Model 300 telephone |