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Handbook: 230 of 287
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TABLE OF LUXFER PRISM AREAS.
ROOM 90 FEET WIDE.
| FOR DESK WORK. |
Length of Room, feet. |
VERTICAL PRISM
PLATES. |
|
CANOPY A. |
| J |
K |
L |
M |
N |
O |
S |
P |
0.6 |
0.5 |
0.4 |
0.3 |
0.2 |
| 20 |
300 |
315 |
330 |
351 |
375 |
429 |
468 |
564 |
378 |
396 |
525 |
639 |
930 |
| 30 |
318 |
330 |
351 |
369 |
396 |
447 |
492 |
594 |
399 |
420 |
552 |
675 |
966 |
| 40 |
339 |
357 |
375 |
396 |
423 |
477 |
528 |
633 |
429 |
450 |
591 |
726 |
1014 |
| 50 |
372 |
387 |
411 |
432 |
462 |
522 |
576 |
690 |
468 |
492 |
645 |
789 |
1104 |
| 60 |
429 |
450 |
474 |
498 |
534 |
603 |
663 |
798 |
540 |
558 |
741 |
912 |
1275 |
| 70 |
501 |
525 |
555 |
582 |
624 |
705 |
774 |
930 |
627 |
651 |
867 |
1065 |
1500 |
| 80 |
585 |
615 |
645 |
681 |
729 |
825 |
906 |
1089 |
735 |
762 |
1014 |
1233 |
1740 |
| 90 |
675 |
702 |
723 |
780 |
816 |
930 |
1020 |
1218 |
825 |
870 |
1140 |
1395 |
1995 |
| 100 |
774 |
810 |
855 |
900 |
960 |
1086 |
1200 |
1440 |
972 |
1023 |
1335 |
1650 |
2310 |
| 110 |
870 |
906 |
954 |
1011 |
1080 |
1215 |
1347 |
1636 |
1086 |
1155 |
1503 |
1845 |
2604 |
| 120 |
975 |
1020 |
1080 |
1134 |
1215 |
1365 |
1509 |
1815 |
1221 |
1290 |
1689 |
2070 |
2904 |
| FOR FINE MERCHANDISE. |
Length of Room, feet. |
VERTICAL PRISM
PLATES. |
|
CANOPY A. |
| J |
K |
L |
M |
N |
O |
S |
P |
0.6 |
0.5 |
0.4 |
0.3 |
0.2 |
| 20 |
200 |
210 |
220 |
234 |
250 |
285 |
312 |
375 |
252 |
263 |
350 |
425 |
620 |
| 30 |
212 |
221 |
234 |
246 |
264 |
298 |
328 |
398 |
266 |
280 |
368 |
450 |
644 |
| 40 |
226 |
238 |
250 |
264 |
282 |
318 |
352 |
422 |
285 |
301 |
394 |
484 |
676 |
| 50 |
248 |
259 |
274 |
288 |
308 |
348 |
384 |
460 |
312 |
328 |
430 |
526 |
736 |
| 60 |
286 |
299 |
316 |
332 |
356 |
402 |
442 |
532 |
360 |
372 |
494 |
608 |
850 |
| 70 |
334 |
349 |
370 |
388 |
415 |
470 |
516 |
620 |
418 |
434 |
578 |
710 |
1000 |
| 80 |
390 |
409 |
430 |
454 |
486 |
550 |
604 |
725 |
490 |
508 |
676 |
822 |
1160 |
| 90 |
450 |
467 |
482 |
519 |
544 |
620 |
680 |
812 |
550 |
580 |
760 |
930 |
1330 |
| 100 |
516 |
540 |
570 |
600 |
640 |
724 |
800 |
960 |
648 |
682 |
890 |
1100 |
1540 |
| 110 |
580 |
604 |
635 |
674 |
720 |
810 |
897 |
1091 |
723 |
770 |
1002 |
1230 |
1735 |
| 120 |
650 |
680 |
720 |
756 |
810 |
910 |
1005 |
1210 |
814 |
860 |
1126 |
1380 |
1935 |
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