Logs Reduced To One Inch Board Measure

Description

This section is from the book "The English And American Mechanic", by B. Frank Van Cleve. Also available from Amazon: The English And American Mechanic.

Logs Reduced To One Inch Board Measure

If the log is longer than is contained in the table, take any two lengths.

The first column on the left gives the length of the log in feet The figures under D denote the diameters of the logs in inches. Fractional parts of inches are not given.

The diameter of timber is usually taken 20 feet from the butt. All logs short of 20 feet, take the diameter at the top, or small end.

To find the number of feet of boards which a log will produce when sawed, take the length of feet in the first column on the left hand, and the diameter at the top of the page in inches.

Suppose a log 12 feet long and 24 Inches in diameter; in the left hand column is the length, and opposite 12 under '_'4 is 300, the number of feet of boards in a log of that length and diameter.

Ing Ft.	D. 12	D. 18	D. 14	D. 15	D. 16	D. 17	D. 18	D. 19	D. 20	D. 21	D. 22	D. 23	D. 24
10	54	66	76	93	104	170	137	154	176	194	210	237	256
11	59	72	83	102	114	131	151	169	196	213	881	261	270
12	64	78	90	111	124	143	164	184	214	232	252	285	300
13	69	84	97	120	134	154	177	199	231	251	273	308	327
14	74	90	104	129	144	166	191	214	249	270	293	889	350
15	79	96	111	138	154	177	204	229	266	289	814	355	376
16	84	102	118	146	164	189	217	244	2S1	806	835	878	601
17	89	108	126	155	173	200	231	259	301	327	356	402	426
18	94	114	133	164	183	212	244	274	319	346	377	686	451
19	99	121	140	173	193	223	257	289	336	365	398	449	477
20	104	127	147	182	203	986	271	304	354	384	419	473	501
2L	109	133	154	191	213	247	284	819	871	403	410	497	637
22	114	139	161	200	223	259	297	334	389	422	461	520	552
23	119	145	168	209	233	270	311	349	407	441	481	649	668
24	124	151	176	218	243	282	324	364	424	460	502	563	613
25	129	157	183	227	253	293	337	379	442	479	523	591	628
26	134	163	190	236	263	305	350	394	459	498	514	615	658
27	139	169	197	245	273	316	63	409	477	517	565	688	878
28	144	175	204	254	283	328	376	424	494	536	686	868	708
29	149	181	211	263	293	339	389	439	612	555	607	6S7	728
so	154	187	218	272	808	351	402	664	529	574	698	711	753
31	159	193	225	281	813	869	415	686	547	593	649	786	778

Ins	D. 25	D. 26	D. 27	D. 28	D. 29	D. 30	D. 31	D. 32	D. 33	D. 34	D. 35	D. 36
10	283	309	339	359	377	407	440	456	486	496	543	573
11	311	340	874	396	415	447	484	502	635	546	598	630
12	340	371	408	432	453	489	688	548	684	596	653	688
13	869	404	442	469	491	530	572	594	633	646	708	746
14	397	435	476	505	529	571	618	610	682	696	762	803
15	426	465	511	511	567	612	662	686	731	746	817	861
16	455	496	545	578	605	653	706	732	780	796	872	919
17	483	527	579	614	613	694	751	778	829	846	927	976
18	512	558	613	650	681	735	795	824	878	896	981	1034
19	541	590	647	688	719	776	839	870	927	946	1036	1092
20	569	621	68l	724	757	817	884	916	976	996	1091	1148
21	598	652	716	760	796	859	928	962	1025	1046	1146	1206
22	627	684	750	796	834	900	972	1008	1074	1096	1200	1264
23	665	715	784	833	872	941	1017	1054	1123	1146	1215	1318
24	6S4	746	818	869	910	982	1061	1100	1172	ll96	1310	1376
25	713	777	853	906	918	1023	1105	1146	1-21	1246	1365	1434
26	742	808	887	942	986	1064	1149	1192	1270	1206	1420	1492
27	771	839	921	979	1024	1105	1193	1238	1319	1336	1475	1550
28	800	870	955	1015	1062	1146	1237	1284	1868	1396	1S30	1608
29	829	901	989	1052	1100	1187	1281	1330	1417	1446	1585	1666
30	858	932	1023	10S8	1138	1228	1325	1376	1466	1496	1640	1724
31	887	963	1057	1125	1176	1269	1369	1429	1515	1546	1695	1782

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Logs Reduced To One Inch Board Measure

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