Pocketbook of Useful Formulæ and Memoranda
for Civil and Mechanical Engineers
Forfatter: Guilford L. Molesworth
Sider: 744
UDK: 600 (093)
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695 OF ENGINEERING FOBMULÆ.
Hyperbolic Logarithms—continued.
No. Logaritbih. No. Logarithm.! No. 1 logarithm.! No. Lognrithm*
9’01 2-1983351 9-26 2-2257040,9-51 2-2523439 9-70 2-2782924
9*02 2’1994:443 9'27 2 •2267834 •52 2 •2533947 9-77 2-2793165
9’03 2-2005521' 9-28 2 • 2278615 )•53 2'2544446 9'78 2'2803395
9*04 2-2016592 9‘29 2’228S»385i9'5-t 2’2554935 9-79 2-2813615
9'05 2’2027648 9-30 2-2300144 9 55 2-2565411 9-80 2-2823824
9’06 2-203*691 9'31 2-2310891 9'id 2 "2575877 9-81 2-2834023
9'07 2-2049723 9-32 2-2321626 9’57.2’2586332 9’82 2-2844211
9’08 2 •2061)742 9-33 2'2332350 8-58.2-2596775 9-83 2'2854389
9-09 2-2071749 9-34 2-2343002 9 • 5912‘2607209 9-84 2-2864557
9-10 2'2082774 9-35 2'2353763 9-60 2-2617631 9'85 2'2874715
9-11 2-2093727 9*36 2-2364453 9-61 2-2628042 9-86 2-2884862
9-12 2’2104698 9-31 2-2375131 9 *62 2’2638443 9'87 2-2894999
9-13 3'2115657 9*38 2-2385797 9-63 2'2648832 9 ■ 88 2-2905125
9-14 2-212660-t 9'39 2’2396453 9-6112-2659211 9-89 2'2915241
9-15 2’2137539 9-40 2-2407097 0 • 65,2-2669579 9-90 2-2925348
9-16 2'2148462 9-41 2-2417729 9-662'2679936 9-91 2-2935444
9-17 2'2159373 9*42 2’2-12^351 9-67 2-2690283 9-92 2-2945529
9*18 2'2170272 9'43 2'2438561 9-68:2-2700619 9-93 2-2955605
9 19 2-2181159 9 •44 2-2449560 9-6912-2710944 9-84 2-2965670
9'20 2-2192035 9-45 2-2-160147 9-70/2-2731259 9-95 2-29X5726
9*21 2’2202898 9-46 2-2470721 9-71 2-2T31563 9-96 2-2985771
9-22 2-2213750 9-47 2-2481289 8-12 2-2T41856 9-97 2 “2995806
9-23 2-2224590 9’48 2-2491843 9-73 2*2752139 9’98 2'3085831
9-24 2'2235419.9 49 2’2502386 9-74I2-2762411 9-99 2-3015846
9-25 2-2246236'9-50 2’2512918 9-75 2-2772673 10 2-3025851
Useftil Logarithms. Constant. Logarithm,
Base of Naperian system .. .. Modulus of Briggs’ system .. .. Reciprocal of Modulus « Velocity of falling body, ft. in 1 sec. Equatorial radius of earth feet Polar „ » •• Decree in latitude, Equator „ „ Pole „ „ longitudp, Equator „ 1 1 1 1 1 2’718281828 •434294482 2-3025S5093 32-19084 20,923,600 20,853,657 362,750 366,396 365,186 0-4342945 I-63J7843 •3622216 1-5077222 7’3206364 7-3191823 5’5596090 5-5639504 5-5625138