18 DIRECT-CURRENT DYNAMOS AND MOTORS. 
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Wrought Fron Yoke. 
Wrought Iron Cores. 
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Fic, 8.—EDISON BIPOLAR DYNAMO, 
TABLE 6. 
DIMENSIONS OF EDISON BIPOLAR HIGH-SPEED DRUM- | 
ARMATURE DYNAMOS AND MOTORS. (See Fig. 8.) 
toh 
Generator. Motor. as Armature. |Magnets. Frame. Pulley. 
a 
3 
K. W. |R.pm., H.P. |R.p.m., £ A BL. Ox. BD E| F |G@/|H| J K |} LIM 
.5 | 2400 5 | 2100 | 90] 25,1 4 | 41) 28 | 43) 168) 93/123) 45%) 4% | 33) 2 
75] 2400 75] 2100 | 120) 28 | 5 | & | 2% | 54) 214) 9F/138) 4,5) 54 | 34) 2 
1.5 | 2100 | 1.5 | 1600 | 270} 825] 63] 15| 32 | 62) 242/134/19 | 7 | 774) 4 | 38 
3 190)| 8 .] 1450] 650} 44°] 8 j14 | 5 | 78) 83 |17 [23 ) 84 | 92 | 74) 8 
| 6 1800 | 6 1350 | 830] 511] 92/18 | 52 | 88) 383/20 [267/104,/11 | 8 | 4 
8.5] 1700] 9 1325 | 1090 BL 10 [18 | 65,|108] 444/22 |303]114 [12 | 84) 5 
12 1600 | 14 1275 | 1470] 64 |12 ]1% | 78 |122] 489]/234/84 [124 [124 | 9 | 6 
15 1500 | 17.5 | 1150 | 2180] 6% 1133/24 | 8d |138] 57 |253/38 |138 |132 |112] 8 
20 1400 | 24 1100 | 288u] 7% 115 [24 | 94 |15A4} 653/288/412/148 |154 ]12 | 9 
25 1200 | 30 950 | 8570) 8% 
380 1200 | 36 880 | 4340] 92,118 32 [114 |16%] 733/318/473/164 |168 [14 11 
45 | 1000 | 60 750 | 6800|11 35 
60 700 | 70 525 | 9790|12% [2443/4 |154 123%] 924/408)652/21% 1224 [24 113 
100 650 |120 550 |16200]/168 |25 14% |174 |24 1105 |474|734/24% }264 |26 |16 
150 450 |180 450 |31790|23% 1263|6 [214 |31 |1193|593/924/31% [383 [44 [21 
200 450 |240 450 |39000/23% (343/72 [23 [31 |1854/679|94 |812 [37% |44 |24 
