This from scribners lumber and log book, 1882, 1890. Boards are utilized to the specified minimum width. Forest service hardwood log grades for standard lumber are described and tables of expected yields of standard factory grade lumber are presented by species, log grade, and log diameter. Scribner s enlarged lumber and log book, 1895 j m scribner. A log rule may be defined as a table or formula showing the estimated net yield for logs of a given diameter and length. Lumber and log book which was nearly identical to the original scribner publication even to the extent of listing scribner as the author, but, in place of the scribner rule there was a table of values identical to the doyle rule which had been out of print for over 20 years. Scribner variability example of averaqe lumber recovery for bf log rules and cf log scale by small end diameter board mill 0. Scribners enlarged lumber and log book, 1895 j m scribner. There are three widely used log rules, howeverscribner, doyle, and international. This book may have occasional imperfectionssuch as missing or blurred pages, poor pictures, errant marks, etc.
International of all the log rules, the international 14inch log rule is the rule that comes closest to estimating the actual lumber footage that is in a log. It assumes the log is a cylinder of constant diameter for its entire length. Ordinarily the yield is expressed in terms of board feet of finished lumber, though a few rules give the cubic volume of the log or some fraction of it. Scribner and a great selection of related books, art and collectibles available now at. Sep 01, 2011 this is a reproduction of a book published before 1923. Source goantiques this is a hard to find pocket size book, 3. Copies of the paper master set are maintained by the washington, region, station, area, institute, and forest.
Scribner s lumber and log book for ship and boat builders, lumber merchants, sawmill men, farmers and mechanics is an unchanged, highquality reprint of the original edition of 1888. Logs are double end trimmed to expose fresh wood that clearly shows the interior quality of the wood. A method of estimating the amount of lumber that can be cut from a sawlog. Also called the doyles, connecticut river, scribners or connecticut rule. Dec 11, 2009 open library is an open, editable library catalog, building towards a web page for every book ever published. Actual taper will be determined by measuring the diameter of both ends using procedures outlined in 17. Each log is rolled to ensure compliance with customer specifications for 1sc, 2sc, 3sc or 4sc. Scribners lumber and log book for ship and boat builders, lumber merchants, sawmill men, farmers and mechanics is an unchanged, highquality reprint of the original edition of 1888.
This is dated as published in 1946,penned name and date inside cover says 1947. This rule is based on a series of diagrams outlining the sawing pattern for 1inch lumber for each diameter and length class with a 14inch allowance for saw kerf. The scribner log rule, developed around 1846, is a good example of a diagram rule. Built into each log rule are allowances for losses due to such things as. Scribner s enlarged lumber and log book, 1895 by j. This organization has been operating for approximately 50 years. Consequently, only a log with a diameter of 19 inches would have a value of 1. Open library is an open, editable library catalog, building towards a web page for every book ever published.
Apr 19, 2018 excerpt from scribner s lumber and log book. The scribner rule does not have an allowance for log taper and typically. On butt logs, the butt diameter is measured by projecting the actual taper of the log through the flared butt area. This is a reproduction of a book published before 1923. For ship and boat builders, lumber merchants, sawmill men, farmers and mechanics lumber and log book we have endeavored to meet the growing needs of all who buy or sell logs, or deal in lumber. The assumptions of scribner as i understand it are based on a 16 soft wood log with 12 inches of trim length with an average taper found in much of the western usa. For ship and boat builders, lumber merchants, sawmill men, farmers and mechanics by scribner j m, 97876099973, available at book depository with free delivery worldwide. This has hard cardboard covers,back is in about the same condition as front,with rusty staples,binding soil.
The scribner rule is an intermediate estimator of lumber volume for logs less than 28 inches in diameter and less than 16 feet in length. With this information, foresters, timber sellers, and timber buyers can separate, from woodsrun hardwood logs, those logs suitable for. Log and tree scaling techniques fnr191 purdue extension. Discription of log rules doyle, scribner and international. Let d be the diameter in inches of the small end of the log, inside the bark, and l the length of the log in feet. Baking soda had been discovered, the first source of. Feet 6 7 8 9 10 11 12 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 12 14 15 16 17 18 19. Its inaccuracies come from the lack of allowance for log taper and a uniform slab allowance for different log diameters. This auction is for a small and intertesting old booklet that apparently was used by lumbermen and loggers,the standard book, scribner s lumber and log book.
Apr 15, 2012 hi and thanks for choosing just answer. For ship and boat builders, lumber merchants, sawmill men, farmers and mechanics classic reprint paperback april 19, 2018 by j. All the major log rules use the small end diameter, inside the bark, as the basic size measurement. The scribner rule is called a diagram rule because the original numbers were derived by fitting boards into perfect circles representing the ends of logs. Log ends are sprayed with water to expose any interior. This rule is based on a series of diagrams outlining the sawing pattern for 1inch lumber for each diameter and length class with a.
Following close on the heels of charcoal was a huge market for potash. It was created by drawing the crosssections of 1inch boards within circles representing the end view of logs. Vintage scribners lumber and log book 1946 fisher forestry logging sawmill. A space of 14 inch was left between the boards to account for saw kerf. Local customers please call for hours and directions phone 253 2794618 for wood questions. Published by franklin classics trade press 20181111 2018 isbn 10. Clendenin log program baillie lumber hardwood supplier. For example, the market value for a log with a smaller than market diameter of 17 inches would be 0. Hansebooks is editor of the literature on different topic areas such as research and science, travel and expeditions, cooking and nutrition, medicine, and other. The log length is the length to the last full foot especially for hardwood logs. Please examine the listing photos as they are part of the description. We believe this work is culturally important, and despite the imperfections, have elected to bring it back into print as part of our. Each log goes through a rigorous selection process.
For ship and boat builders, lumber merchants, saw mill men, farmers and mechanics. If the log is not perfectly round, then two readings are taken at 90 degrees to each other and averaged. A space of 14 inch circular mills was left between the boards to account for saw kerf. Saw blade thickness kerf varies from 18 to 38 inches. This organization primarily operates in the grains business industry within the wholesale trade nondurable goods sector.