Blog describing records: https://www.familysearch.org/blog/en/praestationstabellentax-and-administrative-records-of-east-and-west-prussia/
Link to Prästationstabellen und Grundbücher 1773 [Amt Hammerstein includes Prechlau and many others places in Kreis Schlochau]
https://www.familysearch.org/search/catalog/292407?availability=Family%20History%20Library