Conditions of sensibility of photo-electric cells with alkali metals and hydrogen . 1 620 326 330 374 192,0 432 630 327 331 375 328 off 332 329 off 330 324 331 •-I ,^ 7, ^ 774 r TABLE NO. VXVIII. Potassium Cell Ko. 4. Af t- r Forming. D = cm. t - 35C. L = 0,22 , A = cm^. #Criticnl voltigs ind current. d in ram. V in ^?ol ts. p = 1, 0 mm. V - - 3, 0 rcrn. P = 5. 0 rirn. P = 10 mm. d V :1 / 150 165 19 6 200 350 320 250 265 319 1,0 312 370 371 289 11. C 350 2,0 361
Conditions of sensibility of photo-electric cells with alkali metals and hydrogen . 1 620 326 330 374 192,0 432 630 327 331 375 328 off 332 329 off 330 324 331 •-I ,^ 7, ^ 774 r TABLE NO. VXVIII. Potassium Cell Ko. 4. Af t- r Forming. D = cm. t - 35C. L = 0,22 , A = cm^. #Criticnl voltigs ind current. d in ram. V in ^?ol ts. p = 1, 0 mm. V - - 3, 0 rcrn. P = 5. 0 rirn. P = 10 mm. d V :1 / 150 165 19 6 200 350 320 250 265 319 1,0 312 370 371 289 11. C 350 2,0 361 286 380 305 20,0 361 3,0 388 3S5 385 315 367 420 300 390 320 370 440 55,0 303 294 322 372 451 305 . 295 326 374 455 306 296 327 375 470 307 29 7 338 472 308 298 329 62,0 475 309 off 299 330 47 6 off 310 off 331 477 478 479 55,0 12 0 ff 331 375 4-^9. ei
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