Caspari left a manuscript containing his observations
for the 1762-1779 period. In it, he describes a number of healing springs, with
names he gave them such as "Church spring", "Beggars'
spring" and "Bitter fountain". In 1808, the Austrian Empire's
officials in Vienna sent a committee of doctors and chemists to Bazna in order
to study the healing properties of its salt waters and climate. In 1843, four
inhabitants of Mediaş founded a society aimed at building a spa in Bazna; by
1845, 637 people were being treated there. In 1905, Bazna's Lutheran
parishioners took control of the spa and its operations. That year, the spa had
a pharmacy and specialist doctor, and began producing salt for distribution