The pressure data resides in 1 book, 'Die Resultate der
Barometerregistrirongen in Munchen, Bayrisch-Zell und Wendelstein
(Vorlaufige Mittheilung)' (C/dc 161 E68) written in German. The data
contained in this book are tables of monthly surface pressure data for
Munchen, Bayrisch-Zell and Wendelstein, Germany. These data are for
each month of the period 1883 to 1888. These pressure parameters are ... monthly general mean and mean for a given hour.
This book is part of the foreign meteorological data collection held
by the NOAA Central Library in Washington, DC. Information in this
collection dates back to the 18th century for daily, monthly,
seasonal, and annual tabular summaries, and the 19th century for
weather maps. These data are the result of foreign exchange
agreements, but the collection has not been updated since 1983.