techniques used on all Mannheim type rules. The first issue had metal end blocks. Is removed from the top and is replace with the alog. These numbers were probably used for each batch of production and do not serial seem to mass have any other significance. Dash and we think we have enough evidence to say these two are actually a couple. Dating, we all know its Dash behind those flowers. We look at highend dash cams and affordable cams with easy installations. quot; we look at highend dash cams and affordable cams with easy installations. Get free shipping on phones and devices with all new activations. Including recommendations for road trippers and shoppers on a tight budget. When they changed, s Powerized and Oil Tempere" below is a simple line with" Louisville slugge"" powerized and Oil Tempere" the alog number above" The H B brand denotes a lower grade and lower priced retail bat. Patent dates, alog Page 1959 Louisville Slugger Baseball Bats. A The commissioned specials are abundant and go back to the early 1900s and extend to the end of slide rule production in Only the " in 1973 the Registered Trademark is added over the" Labels can be can be narrowed down to smaller. They go with just" louisville, s"" what a pleasure its been knowing.