Elements of natural philosophy (Volume 2-3) (1850)
Bartlett, W. H. C. (William Holms Chambers), 1804-1893 · New York : Barnes · leaf 199
8),will be so small that General equation the products ofmade applicable whiell it is a faqtor may, without mate-rial error, be omitted. This will reduce Equation (18) to i i i \ WW to this case; Equation for asmall directpencil; (f-r).f = m.(f-r).f or / mvf (m — 1) .f + r (19) and taking the… … \ ±k \ \ \ \ \ _Ui I_ _L i_l _!_ /7 I I J I I I sP / \ I I I I I 1 I
Mechanics · Acoustics · Optics
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