Brown & Sharpe Mfg. Co.
311
| ′ | 10° | 11° | 12° | 13° | 14° | ′ | |||||
| Tang | Cotang | Tang | Cotang | Tang | Cotang | Tang | Cotang | Tang | Cotang | ||
| 0 | .17633 | 5.67128 | .19438 | 5.14455 | .21256 | 4.70463 | .23087 | 4.33148 | .24933 | 4.01078 | 60 |
| 1 | .17663 | 5.66165 | .19468 | 5.13658 | .21286 | 4.69791 | .23117 | 4.32573 | .24964 | 4.00582 | 59 |
| 2 | .17693 | 5.65205 | .19498 | 5.12862 | .21316 | 4.69121 | .23148 | 4.32001 | .24995 | 4.00086 | 58 |
| 3 | .17723 | 5.64248 | .19529 | 5.12069 | .21347 | 4.68452 | .23179 | 4.31430 | .25026 | 3.99592 | 57 |
| 4 | .17753 | 5.63295 | .19559 | 5.11279 | .21377 | 4.67786 | .23209 | 4.30860 | .25056 | 3.99099 | 56 |
| 5 | .17783 | 5.62344 | .19589 | 5.10490 | .21408 | 4.67121 | .23240 | 4.30291 | .25087 | 3.98607 | 55 |
| 6 | .17813 | 5.61397 | .19619 | 5.09704 | .21438 | 4.66458 | .23271 | 4.29724 | .25118 | 3.98117 | 54 |
| 7 | .17843 | 5.60452 | .19649 | 5.08921 | .21469 | 4.65797 | .23301 | 4.29159 | .25149 | 3.97627 | 53 |
| 8 | .17873 | 5.59511 | .19680 | 5.08139 | .21499 | 4.65138 | .23332 | 4.28595 | .25180 | 3.97139 | 52 |
| 9 | .17903 | 5.58573 | .19710 | 5.07360 | .21529 | 4.64480 | .23363 | 4.28032 | .25211 | 3.96651 | 51 |
| 10 | .17933 | 5.57638 | .19740 | 5.06584 | .21560 | 4.63825 | .23393 | 4.27471 | .25242 | 3.96165 | 50 |
| 11 | .17963 | 5.56706 | .19770 | 5.05809 | .21590 | 4.63171 | .23424 | 4.26911 | .25273 | 3.95680 | 49 |
| 12 | .17993 | 5.55777 | .19801 | 5.05037 | .21621 | 4.62518 | .23455 | 4.26352 | .25304 | 3.95196 | 48 |
| 13 | .18023 | 5.54851 | .19831 | 5.04267 | .21651 | 4.61868 | .23485 | 4.25795 | .25335 | 3.94713 | 47 |
| 14 | .18053 | 5.53927 | .19861 | 5.03499 | .21682 | 4.61219 | .23516 | 4.25239 | .25366 | 3.94232 | 46 |
| 15 | .18083 | 5.53007 | .19891 | 5.02734 | .21712 | 4.60572 | .23547 | 4.24685 | .25397 | 3.93751 | 45 |
| 16 | .18113 | 5.52090 | .19921 | 5.01971 | .21743 | 4.59927 | .23578 | 4.24132 | .25428 | 3.93271 | 44 |
| 17 | .18143 | 5.51176 | .19952 | 5.01210 | .21773 | 4.59283 | .23608 | 4.23580 | .25459 | 3.93273 | 43 |
| 18 | .18173 | 5.50264 | .19982 | 5.00451 | .21804 | 4.58641 | .23639 | 4.23030 | .25490 | 3.92316 | 42 |
| 19 | .18203 | 5.49356 | .20012 | 4.99695 | .21834 | 4.58001 | .23670 | 4.22481 | .25521 | 3.91839 | 41 |
| 20 | .18233 | 5.48451 | .20042 | 4.98040 | .21864 | 4.57363 | .23700 | 4.21933 | .25552 | 3.91364 | 40 |
| 21 | .18263 | 5.47548 | .20073 | 4.98188 | .21895 | 4.56726 | .23731 | 4.21387 | .25583 | 3.90800 | 39 |
| 22 | .18293 | 5.46648 | .20103 | 4.97438 | .21925 | 4.56091 | .23762 | 4.20842 | .25614 | 3.90417 | 38 |
| 23 | .18323 | 5.45751 | .20133 | 4.96690 | .21956 | 4.55458 | .23793 | 4.20298 | .25645 | 3.89945 | 37 |
| 24 | .18353 | 5.44857 | .20164 | 4.95945 | .21986 | 4.54826 | .23823 | 4.19756 | .25676 | 3.89474 | 36 |
| 25 | .18384 | 5.43966 | .20194 | 4.95201 | .22017 | 4.54196 | .23854 | 4.19215 | .25707 | 3.89004 | 35 |
| 26 | .18414 | 5.43077 | .20224 | 4.94460 | .22047 | 4.53568 | .23885 | 4.18675 | .25738 | 3.88536 | 34 |
| 27 | .18444 | 5.42192 | .20254 | 4.93721 | .22078 | 4.52941 | .23916 | 4.18137 | .25769 | 3.88068 | 33 |
| 28 | .18474 | 5.41309 | .20285 | 4.92984 | .22108 | 4.52316 | .23946 | 4.17600 | .25800 | 3.87601 | 32 |
| 29 | .18504 | 5.40429 | .20315 | 4.92249 | .22139 | 4.51693 | .23977 | 4.17064 | .25831 | 3.87136 | 31 |
| 30 | .18534 | 5.39552 | .20345 | 4.91516 | .22169 | 4.51071 | .24008 | 4.16530 | .25862 | 3.86671 | 30 |
| 31 | .18564 | 5.38677 | .20376 | 4.90785 | .22200 | 4.50451 | .24039 | 4.15997 | .25893 | 3.86208 | 29 |
| 32 | .18594 | 5.37805 | .20406 | 4.90056 | .22231 | 4.49832 | .24069 | 4.15465 | .25924 | 3.85745 | 28 |
| 33 | .18624 | 5.36936 | .20436 | 4.89330 | .22261 | 4.49215 | .24100 | 4.14934 | .25955 | 3.85284 | 27 |
| 34 | .18654 | 5.36070 | .20466 | 4.88605 | .22292 | 4.48600 | .24131 | 4.14405 | .25986 | 3.84824 | 26 |
| 35 | .18684 | 5.35206 | .20497 | 4.87882 | .22322 | 4.47986 | .24162 | 4.13877 | .26017 | 3.84264 | 25 |
| 36 | .18714 | 5.34345 | .20527 | 4.87162 | .22353 | 4.47374 | .24193 | 4.13350 | .26048 | 3.83006 | 24 |
| 37 | .18745 | 5.33487 | .20557 | 4.86444 | .22383 | 4.46764 | .24223 | 4.12825 | .26079 | 3.83449 | 23 |
| 38 | .18775 | 5.32631 | .20588 | 4.85727 | .22414 | 4.46155 | .24254 | 4.12301 | .26110 | 3.82992 | 22 |
| 39 | .18805 | 5.31778 | .20618 | 4.85013 | .22444 | 4.45548 | .24285 | 4.11778 | .26141 | 3.82537 | 21 |
| 40 | .18835 | 5.30928 | .20648 | 4.84300 | .22475 | 4.44942 | .24316 | 4.11256 | .26172 | 3.82083 | 20 |
| 41 | .18865 | 5.30080 | .20679 | 4.83590 | .22505 | 4.44338 | .24347 | 4.10736 | .26203 | 3.81630 | 19 |
| 42 | .18895 | 5.29235 | .20709 | 4.82882 | .22536 | 4.43735 | .24377 | 4.10216 | .26235 | 3.81177 | 18 |
| 43 | .18925 | 5.28393 | .20739 | 4.82175 | .22567 | 4.43134 | .24408 | 4.09699 | .26266 | 3.80726 | 17 |
| 44 | .18955 | 5.27553 | .20770 | 4.81471 | .22597 | 4.42534 | .24439 | 4.09182 | .26297 | 3.80276 | 16 |
| 45 | .18986 | 5.26715 | .20800 | 4.80769 | .22628 | 4.41936 | .24470 | 4.08666 | .26328 | 3.79827 | 15 |
| 46 | .19016 | 5.25880 | .20830 | 4.80068 | .22658 | 4.41340 | .24501 | 4.08152 | .26359 | 3.79378 | 14 |
| 47 | .19046 | 5.25048 | .20861 | 4.79370 | .22689 | 4.40745 | .24532 | 4.07639 | .26390 | 3.78931 | 13 |
| 48 | .19076 | 5.24218 | .20891 | 4.78673 | .22719 | 4.40152 | .24562 | 4.07127 | .26421 | 3.78485 | 12 |
| 49 | .19106 | 5.23391 | .20921 | 4.77978 | .22750 | 4.39560 | .24593 | 4.06616 | .26452 | 3.78040 | 11 |
| 50 | .19136 | 5.22566 | .20952 | 4.77286 | .22781 | 4.38969 | .24624 | 4.06107 | .26483 | 3.77595 | 10 |
| 51 | .19166 | 5.21744 | .20982 | 4.76595 | .22811 | 4.38381 | .24655 | 4.05599 | .26515 | 3.77152 | 9 |
| 52 | .19197 | 5.20925 | .21013 | 4.75906 | .22842 | 4.37793 | .24686 | 4.05092 | .26546 | 3.76709 | 8 |
| 53 | .19227 | 5.20107 | .21043 | 4.75219 | .22872 | 4.37207 | .24717 | 4.04586 | .26577 | 3.76268 | 7 |
| 54 | .19257 | 5.19293 | .21073 | 4.74534 | .22903 | 4.36623 | .24747 | 4.04081 | .26608 | 3.75828 | 6 |
| 55 | .19287 | 5.18480 | .21104 | 4.73851 | .22934 | 4.36040 | .24778 | 4.03578 | .26639 | 3.75388 | 5 |
| 56 | .19317 | 5.17671 | .21134 | 4.73170 | .22964 | 4.35459 | .24809 | 4.03076 | .26670 | 3.74950 | 4 |
| 57 | .19347 | 5.16863 | .21164 | 4.72490 | .22995 | 4.34879 | .24840 | 4.02574 | .26701 | 3.74512 | 3 |
| 58 | .19378 | 5.16058 | .21195 | 4.71813 | .23026 | 4.34300 | .24871 | 4.02074 | .26733 | 3.74075 | 2 |
| 59 | .19408 | 5.15256 | .21225 | 4.71137 | .23056 | 4.33723 | .24902 | 4.41576 | .26764 | 3.73640 | 1 |
| 60 | .19438 | 5.11455 | .21256 | 4.70463 | .23087 | 4.33148 | .24933 | 4.01078 | .26795 | 3.73205 | 0 |
| ′ | Cotang | Tang | Cotang | Tang | Cotang | Tang | Cotang | Tang | Contang | Tang | ′ |
| 79° | 78° | 77° | 76° | 75° | |||||||
