Download or read book Alternate Fire Control Equipment for the 4.2 Inch Mortar written by Leslie E. Beavers and published by . This book was released on 1964 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt: Problem: to determine whether the "Minuteman" abbreviated firing chart should replace the M16 plotting board as the alternate fire control instrument for the 4.2 inch mortar.