Michelson's Velocity of Light Data

A Michelson interferometer. Photograph by Falcorian
Interferometer

Description

The table below gives Albert Michelson's measurements of the velocity of light in air, made from June 5 to July 2, 1879. The given values + 299,000 are Michelson's measurements in km/sec. The number of cases is 100 and the true value is 734.5.

Data

Case Velocity
1 850
2 740
3 900
4 1070
5 930
6 850
7 950
8 980
9 980
10 880
11 1000
12 980
13 930
14 650
15 760
16 810
17 1000
18 1000
19 960
20 960
21 960
22 940
23 960
24 940
25 880
26 800
27 850
28 880
29 900
30 840
31 830
32 790
33 810
34 880
35 880
36 830
37 800
38 790
39 760
40 800
41 880
42 880
43 880
44 860
45 720
46 720
47 620
48 860
49 970
50 950
51 880
52 910
53 850
54 870
55 840
56 840
57 850
58 840
59 840
60 840
61 890
62 810
63 810
64 820
65 800
66 770
67 760
68 740
69 750
70 760
71 910
72 920
73 890
74 860
75 880
76 720
77 840
78 850
79 850
80 780
81 890
82 840
83 780
84 810
85 760
86 810
87 790
88 810
89 820
90 850
91 870
92 870
93 810
94 740
95 810
96 940
97 950
98 800
99 810
100 870

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