Lot numbers identify particular quantities or lots of material from a single manufacturer. Lot numbers are usually found on the outside of the packaging. Manufacturers assign batch numbers to identify a batch of a particular medication. Lot numbers allow a manufacturer to track when a drug was manufactured in case there is an adverse effect or a production issue.
Finance aregalley of type and scrambled it to make a type specimen book. It has surived not only five centteruries, but also the leap into electronic typesetting, remaining essentially.