A. M. Mayer — Researches in Acoustics. 93 



Table III. 



Bar. 



T. 



I. 



Jonas & Colver 



0*2 



20-0207 



Cast Steel. 



20 



20-0246 





40 



200286 





61 



20-0328 





80 



20-0366 





99-8 



20-0406 



Steel No. 3. 



o 



20-3513 





18-25 



20-3558 





34 



20-3594 





60 



20-3657 





80 



20-3705 





99-5 



20-3752 



Steel No. 4. 







20-3517 





18-25 



20-3562 





40 



20-3614 





51-5 



20 3643 





81 



20-3715 





97-6 



20-3755 



Steel No. 5. 







20-3513 





18 25 



203559 





40 



20-3609 





60 



20-3657 





80 



20-3706 





99-5 



20 3753 



Bessemer Steel 



0-4 



20-451 





20 



20-456 





40 



20-461 





60 



20-466 





80 



20471 





100 



20-476 



Brass when bar 



1 c 



22-0128 



was cooled 



21-8 



22-0208 



from 99° 6 



40 



22-0274 



to 1°. 



60 



22-0348 





80 



22 0422 





99-6 



22-0494 



Brass before 



0-4 



20-0127 



bar was heat- 



20 



200208 



ed to 99° 6. 







Bell Metal. 







22-2402 





21 



22-2490 





40 



22-2568 





50 



22-2610 





60 



22-2650 





74 



22-2780 





9975 



22-2818 



5036 

 5037 

 5038 

 5039 

 5040 

 5041 



64049 

 64063 

 64074 

 64094 

 64109 

 64124 



64295 

 64312J 

 64328 j 

 64337; 

 64360J 

 64373 



D. 



0012564 

 0012562 

 0012561 

 0012560 

 0012554 

 0012551 



0015464 

 0015460 

 0015457' 

 0015453 i 

 0015449 

 0015446; 



0015523' 

 0015520! 

 0015517 

 0015514 

 0015508 

 0015505 



7-828 

 7-823 

 7-818 

 7-814 

 7-809 

 7-804 



849 



844 



8395 



832 



8265 



821 



N. 



7-846 



7-841 



7-8345 



7-831 



7-823 



7-819 



64188| 0015498 7'852 

 64202| -0015494! 7847 

 64218J -0015490! 7-841 

 64233J -0015486 7-835 

 64248 -0015482 7'829 

 64264 0015479 7"824 



60144 

 60160 

 60176 

 60190 

 60205 



•0014380 

 •0^14377 

 •0014374 

 •0014370 



•0014367 



60220 -0014363 



5009 



5011 



50126 



50144 



50162 



50180 



5008 

 5011 



•0012506 

 •0012501 

 •0012497 

 0012492 

 •0012488 

 •0012483 



•0012504 

 •0012501 



■0016589 

 •00i6588 

 •00i6587 

 •821961 -0016587 



•82224! -0016586 

 0016586 

 •0016584 



■82054 

 •82114 

 82168 



82266; 

 •82338 



7-8421 

 7-8364 

 7-8306 

 7-8248 

 7*8192 

 7-8134 



8-4714 

 8 4677 

 84592 

 8-4498 

 8-4404 

 8 4312 



8-4778 

 8-4685 



•3490 

 •3390 

 •3302 

 •3256 

 •3208 

 •3144 

 •3025 



662-0 

 661-0 

 6596 

 658-6 

 657-1 

 655-14 



820-38 

 818-91 

 817-50 

 814-70 

 812-40 

 810-00 



824-71 

 822-71 

 821-25 

 819-67 

 816-30 

 814-00 



813-29 

 811-84 

 809-68 

 807-31 

 805-02 

 802-71 



761-37 

 75980 

 757-70 

 755-41 

 752-90 

 749-90 



460-64 

 458-95 

 457-40 

 455-70 

 454-00 

 452-30 



460-04 

 458-35 



572-05 

 569-50 

 567-12 

 566-02 

 56494 

 563-61 

 561-21 



_N_ 

 1-0279 



512602 

 511908 

 510112 

 509389 

 508470 

 507065 



516124 

 515329 

 514539 

 512907 

 511586 

 510175 



516238 

 515708 

 514893 

 514002 

 512088 

 510745 



510527 

 509757 

 508529 

 507168 

 505856 

 504506 



515093 

 514032 

 512960 

 511409 

 509710 

 508026 



358337 

 357307 

 356103 

 355052 

 353727 

 352678 



357928 

 356698 



335300 

 333806 

 332411 

 331766 

 331133 

 330354 

 328946 



AT TO 



M= 



M, 



2097585540 2097x10* 

 2089805486 2090x10* 

 2080863837 2081 x 10 5 

 2072936852 2073 x 10* 

 2064153151 2064x10* 

 2050537870 2050x10* 



2131430318 2131 x 10 6 

 2123515662 2123 x 10* 

 2115797406 2116x10* 

 2100383667 2100x10* 

 2088031273' 2088x10* 

 2075047288 2075x10* 



2131556968 

 2125826869 

 2117356581 

 2109091886 

 2091259452 

 2079256951 



2135x10* 

 2126x10* 

 2117x10* 

 2109x10* 

 2091x10* 

 2079x10* 



2086250350 2086x10* 

 2078637463 2078x10* 

 2067052961! 2067x10* 

 2054430194! ^054x10* 

 2042249532; 2042 x 10* 

 2030066264 2030x10* 



2121057163 

 2110783287 

 2100440462* 

 2086216940 

 2070893085: 

 2055702283 



2121x10* 

 2111x10* 

 2100x10* 

 2086x10* 

 2071x10* 

 2056x10* 



1109672142| 1109x10* 

 1102010322 1102x10* 

 10934795541 1093x10* 

 1085864045 1086x10* 

 1076578495 1076x10* 

 1069044150 1069x10* 



1107191685 1107x10* 

 1098388907 1098x10* 



956864118 956-8x10* 

 947214927 947-2x10* 

 938324839,938-3x10* 

 934172231J934-2X10* 

 930074354 930-1x10* 

 924989117 925-0x10* 

 915914824 915-9 x 10* 



