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IX. THERMAL EXPANSIVITY OF SOLIDS

IX. THERMAL EXPANSIVITY OF SOLIDS

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. . . . .<br />

<strong>THERMAL</strong> EXPANSION <strong>OF</strong> OPTICAL GLASS DBC-3<br />

Sources of Data: Molby 1949.<br />

Other References: Dorsey 1907.<br />

Discussion:<br />

90<br />

100<br />

120<br />

140<br />

160<br />

180<br />

200<br />

Bausch and Lomb Co. designation.<br />

Composition was not given.<br />

Table of Selected Values<br />

101 It<br />

98 I'<br />

90 I t<br />

82 I'<br />

73<br />

63 I'<br />

53<br />

Taken from NBS 29<br />

<strong>IX</strong>-H-6.1<br />

220<br />

240<br />

2 60<br />

273<br />

280,<br />

293<br />

300<br />

42<br />

31 'I<br />

20 It<br />

12<br />

8 'I<br />

0 It<br />

-4 1'

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