CUBICAL EXPANSION TABLES. 



29 



Name. 



Magnesium oxide. 

 Crvst. 



Mercuric oxide. 

 Nitrous « L, 



Hyponitric acid. L, 



Arsenic trioxide. 



Cryst. 

 Senarmontite. 

 Carbon dioxide. L, 



Formula. 



Quartz. 



Rutile. 



<( 

 Tin dioxide. Powder 

 Tinstone. 



Corundum. 



Spinel ruby. 

 Pleonaste. 

 Gahnite. 

 Kreittonite. 



MjrO. 



HgO. 

 N, O. 



NO, 



As, 3 . 



Sb 2 3 . 



CO,. 



Si0 2 . 

 (( 

 (i 



« 

 Ti0 2 . 



« 

 Sn 2 . 



« 



« 



s 



Al 2 3 . 



« 

 MgO. ALO, 



Coeff. of Expansion. 



00003129. 40 . 

 000003104. 0°-IOO° 

 ,000002402. « 

 .000001764. « 

 .000001634. « 



.00005802. o°-ioo°. 

 .00428. -5 to o°. 

 .00422. o°-5°. 

 .00484. 5°-io°. 

 .00656. io°-i5°. 

 .00872. 1 5°-20°. 



.001445. 

 .00202 1 . 

 .00308 1 . 



o°. 



50' 



.00012378. 40 

 .00005889. « 

 .0142. o°-30°. 



-io° to -5 C 



-5 to o°. 

 o°-5°. 

 5°-io°. 

 io°-i5°. 



1 5°-20°. 

 20°-25°. 



Zn 0. Al, 0, 



00475. 



00492. 



00540. 



,00629. 



.00769. 



.00975. 



.01277. 



.000039. 



.000042. 



.00003840. o°-ioo°. 



.00003619. 40 . 



.000032. 



.00002347. 40 . 



.0000172. o°-ioo°. 



.000016. 



.00001389. o°-ioo°. 



.00001034. 40 . 

 ,00001995. o°-ioo°. 



00001705. 40 . 

 ,00001787. '< 

 ,00001805. « 

 ,00001766. « 



,00001750. « 



Authority. 



Fizeau. 49. 

 Calcined at 350°, at 



450°, at dark red 



heat, and at bright 



red heat. 

 Ditte. C. S. J. (2). 



9. 869. 

 Playfair & Joule. 27. 



D'Andreeff. 39. 



Coeff. given for every 

 10° from 0° to 90°. 



Drion. A. C. Phys. 

 (3). 5G. 5. 



Fizeau. 49. 



Thilorier. See 38. 



D'Andreeff. 39. 



Kopp. 31. 



Pfaff. 37. Second 



paper. 

 Fizeau. 49. 

 Kopp. 31. 

 Fizeau. 49. 

 Playfair & Joule. 27. 

 Kopp. 31. 

 Pfaff. 37. Second 



paper. 

 Fizeau. 49. 

 Pfaff. 37. Second 



paper. 

 Fizeau. 49. 



