tag:blogger.com,1999:blog-17908317.post674940749077683234..comments2023-03-20T00:52:40.312-07:00Comments on Unenumerated: Dead reckoning and the exploration explosionNick Szabohttp://www.blogger.com/profile/16820399856274245684noreply@blogger.comBlogger2125tag:blogger.com,1999:blog-17908317.post-9472043436896368012012-10-18T12:47:28.942-07:002012-10-18T12:47:28.942-07:00Each half covers four hours. The top half covers e...Each half covers four hours. The top half covers eight half-hour intervals and the bottom half covers four one-hour intervals. So far two hours have elapsed. <br /><br />The bottom half shows the speed was six knots the first hour and eight and one-half knots the second hour. (The bottom right peg shows the fraction).nicknoreply@blogger.comtag:blogger.com,1999:blog-17908317.post-58955360733532454762012-10-18T07:41:17.465-07:002012-10-18T07:41:17.465-07:00I don't understand the traverse board: there a...I don't understand the traverse board: there are 4 pegs placed in the top half giving compass headings, OK, but if there are 4 there, why are there only 2 pegs placed in the rectangular bottom-left section? Where are the speeds for the other 2 time periods? (And what's that 1 peg in the small square section bottom-right?)gwernhttps://www.blogger.com/profile/18349479103216755952noreply@blogger.com