BRITISH AND METRIC UNITS. 



Cross sections and weights ol wires. 



Table 60. 



Eg 



Area of 



cross 



section 



in 



Sq. Mils. 



55 



fs 



59 



60 



61 

 62 



63 

 64 



65 



66 



67 

 68 



69 



70 



71 

 72 



73 

 74 



75 



76 



77 

 78 

 79 



80 



81 

 82 



83 

 84 



85 



86 



87 

 88 



89 



90 



91 

 92 



93 

 94 



95 



96 



97 

 98 



99 

 100 



Platinum — Density 21.50. 



Pounds 



per 



Foot. 



2375-83 

 2463.01 



2551-76 

 2642.0S 



2733-97 



2827.43 

 2922.47 

 3019.07 

 3i'7-25 

 3216.99 



3318.31 

 3421.19 



3525-65 

 3631.68 



3739-28 



3848.45 

 3959-19 

 4071.50 

 4185.39 

 4300.84 



4417.86 

 4536.46 

 4656.63 

 4778.36 

 4901.67 



5026.55 

 5153.00 

 5281.02 

 5410.61 

 5541-77 



5674.50 

 5808.80 

 5944.68 

 6082.12 

 6221.14 



6361.73 

 6503.88 

 6647.61 

 6792.91 

 6939.78 



7088.22 

 7238.23 

 7389.81 

 7542.96 

 7697.69 



7853.98 



Log. 



.02214 

 2296 

 2378 



2463 

 2548 



•02635 



2724 

 2814 

 2906 

 3999 



•03093 

 3189 

 3286 



3385 

 3485 



.03588 

 3690 



3795 

 3901 



4009 



.04118 



4228 



4340 



4454 

 4569 



.04685 

 4803 

 4922 



5043 

 5165 



.05289 

 54U 

 5541 

 5669 

 5799 



.05930 

 6062 

 6196 



6332 

 6469 



.06607 

 6747 

 6888 

 7031 

 7175 



.07321 



Feet 



per 



Pound. 



2.34527 

 .36092 



•37630 

 .39140 

 .40625 



2.42085 

 •43521 

 •44933 

 •46323 

 .47691 



2.49037 



•50363 

 .51670 



•52956 

 .54224 



2.55485 

 •56706 



•57921 

 .59119 

 .60301 



2.61467 

 .62617 



•63753 

 .64874 



.65980 



2.67073 

 .68152 

 .69217 

 .70270 

 .71310 



2.72338 

 •73354 

 •74358 

 •75351 

 •76333 



2^77303 

 •78263 

 .79212 

 .80151 

 .81080 



2.8 1 999 

 .82909 

 .83809 

 .84700 

 .85582 



2.86455 



45.16 



43-56 

 42.04 

 40.61 

 39-24 



37-94 

 36-71 

 35-54 

 34-42 

 33-35 



32-33 

 31-36 



30.43 

 29.54 

 28.69 



27.87 

 27.10 



26.35 

 25-63 

 24.95 



24.28 

 23.65 

 23.04 

 22.45 

 21.89 



21.34 

 20.82 

 20.32 

 19.83 

 19.36 



18.91 



18.47 

 18.05 

 17.64 

 17.25 



16.86 

 16.50 

 16.14 



15-79 

 15.46 



15-14 

 14.82 

 14.52 

 14.22 

 13-94 



13-66 



Ounces 

 per 

 Foot. 



0-3543 

 •3673 

 .3806 



•3940 



.4077 



0.4217 



-4358 

 .4502 

 .4649 

 .4798 



0.4949 

 .5102 



•5258 

 .5416 



•5577 



0.5741 

 •5904 

 .6072 

 .6242 

 .6414 



0.65S9 



.6765 

 .6945 

 .7126 

 •7310 



0.7496 



•7685 

 .7876 

 .8069 

 .8265 



0.8463 

 .8663 

 .8866 

 .9070 

 .9278 



0.9487 

 .9699 

 .9914 



1 .0 1 30 

 .0350 



1^057 

 .079 

 .102 

 .125 

 .148 



1. 171 



Log. 



Feet 



per 

 Ounce. 



1^54939 

 .56504 

 .58042 



•59552 

 .61037 



T.62497 

 •63933 

 ■65345 

 •66735 

 .68103 



T.69449 



•70775 

 .72082 



-73368 



.74636 



i'.75897 

 .77118 



•78333 

 •79531 

 .80713 



T.81879 

 .83029 

 .84165 

 .85286 

 .86392 



T.87485 

 .88564 

 .89629 

 .90682 

 .91722 



T.92750 

 .93766 

 •94770 

 •95763 

 •96745 



T.97715 



.98675 



.99624 



0.00563 



.01492 



0.02411 

 .03321 

 .04221 

 .05112 

 •05994 



0.06867 



Grammes 



per 

 Metre.* 



2.822 



.722 



!628 

 •538 

 •453 



2.372 

 .294 



.221 

 .151 

 .084 



2.021 

 1.960 



.902 



.846 



•793 



1.742 



•694 

 .647 

 .602 



•559 



1.518 

 .478 

 .440 

 •403 

 •368 



1-334 

 .301 

 .270 



•239 

 .210 



1.182 



• 154 

 .128 

 .102 

 .078 



1.0541 

 .0310 

 .0087 



0.9871 

 .9661 



0.9460 

 .9264 

 .9074 

 .8890 

 .8711 



5.108 

 .295 

 .486 

 .680 

 .878 



6.079 

 •283 



•491 

 .702 

 .917 



7^134 

 .356 

 .580 

 .808 



8.039 



8.276 

 .512 

 •754 

 -999 



9-247 



9-498 



9-753 

 10.012 

 10.273 



10^539 



10.81 

 11.08 



11-35 

 11.63 

 11.91 



12.20 



12.49 

 12.78 

 13.08 

 13-37 



13.68 



13-98 

 14.29 

 14.60 

 14.92 



15.24 



15-56 

 15.89 

 16.22 



16.55 



Log. 



Metres 



per 



Gramme. 



0.8538 16.89 



0.70825 

 .72390 

 •73928 

 •75438 

 •76923 



0.78383 

 .79819 

 .81231 

 .82621 

 .83989 



0.85336 

 .86662 

 .87968 

 .89255 

 .90523 



0.91784 

 .93004 

 .94219 



•95417 

 .96599 



0.97765 

 .98916 



1.00051 

 .01172 

 .02278 



1.03371 

 .04450 

 .05516 

 .0656S 

 .07609 



1.08637 

 .09652 

 .10657 

 .11649 

 .12631 



I.I360I 

 .14561 

 .15510 

 .16449 

 •17378 



1.18298 

 .19207 

 .20107 

 .20998 

 .21880 



1.22753 



.1958 

 .1888 

 •1823 

 .1760 

 .1701 



.1645 



•1592 

 .1541 

 .1492 

 .1446 



.1402 

 .1360 



•1319 

 .1281 

 .1244 



.1208 



•1175 

 .1142 



.1111 



.1081 



.10528 

 .10253 

 .09988 



•09734 

 .09489 



■09253 

 .09026 

 .0S807 

 .0S596 

 .0S393 



.08197 

 .08007 

 .07807 

 .07647 

 •07477 



•07311 

 .07152 

 .06997 

 .06847 

 .06702 



.06562 

 .06426 

 .06294 

 .06166 

 .06042 



.05922 



* Diameters and sections in terms of thousandths of a milUmetre. 



Smithsonian Tables. 



51 



