Detail
Type Vw. - Mehlsack is a Vorwerk (Residence or Farm).
Kr Strasburg Westpr. - The Kreis for Mehlsack is Strasburg Westpr. A Kreis is a government district (similar to a U.S. county).
See Schlossau - A See notation means the entry is dependent on another entry. In this case, Mehlsack is dependent on Schlossau, which should be consulted for additional information.