At no. 24, Piccadilly, this present day, and every day this week, from 9 in the morning till 6 in the afternoon, there is now to be seen a great variety of new occult secrets, ... or if the sun appears Dr. Katterfelto, ... will by the help of his new solar microscope, exhibit many wonderful wonders, ...
Katterfelto, Gustavus,-1799.
[London,
1785?]
ESTC