180 Dr. A. M. Mayer's Researches in Acoustics. 



Table II. 



Tables of Analyses, of Densities at 4°, and of Coefficients of 

 Expansion of Bars. 





Iron. 



Carbon. 



Silicon. 

 0-015 



Phos. 



Sulph. 



Mang. 



Nickel. 



Density 

 at 4°. 



7-827 



Coeff't. 



of 

 Expans. 



•0000110 



J. & C. Steel. 



98-259 



1-286 



0-059 



0-031 



0-350 





No. 3 



98-738 



0-47 



015 



0-022 





062 





7-848 



•0000118 



No. 4 



98-628 



0-51 



0-158 



0024 





0-68 





7-845 



•0000120 



No. 5 



95-719 



0-27 



0-101 



0-03J 





0-69 



3-189 



7-851 



•0000119 



Bess'r. „ 



99-03 



015 



002 



0-09 



006 



0-65 





7-841 



•0000122 



Brass. 



Copper 64-34 



Zinc 34-97 



Lead -58 



Iron '11 



Density 8"476 



Coefft. expan "0000185 



Bell Metal. 



Copper 80-08 



Tin 1897 



Lead -12 



Zinc -49 



Density 8"347 



Coefft. expan -0000187 



Aluminium (Amer.). 



Aluminium 



Free Carbon (graphite) 



Combined Carbon 



Tin 



Silicon 



Iron 



98 



■99 

 •19 

 •16 

 •21 

 •32 

 •15 



Density 2702 



Coefft. expan -0000232 



Aluminium {French). 



Aluminium 97 # 80 



Carbon with Si -14 



„ free -04 



„ with Copper "09 



Copper 1*29 



Silicon -64 



Density 2*730 



Coefft. expan -000022 



Silver, Pure. 



Density 



Coefft. expan. 



10-512 



•0000184 



Zinc. 



Zinc 

 Iron 

 Lead 



9975 

 •10 

 01 



Density 6-8107 



Coefft. expan 0000296 



Silicon ... 



St. Gobain Glass. 



.. 72-3 







•8 



Lime 





.. 15-3 



Soda 





.. 11-8 



Density 2-545 



Coefft. expan "00000777 (Fizeau). 



