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English
T
DR. JOHANN OTTO
VON HELWIG, original: Helbigii. Johann Otto von Helwig (1654–1698) was a German physician and polymath who traveled extensively in the East Indies. Doctor of Medicine
INTRODUCTION INTO
THE TRUE AND UNHEARD-OF
NATURAL PHILOSOPHY original: Physicam. In the 17th century, 'physics' referred to the broad study of the natural world and the laws of nature.
DEFENDED
By way of a Letter
To the Most Noble Lord R.R.
von St. etc. etc.
by
MATTHIAS SCHEFFER.
Frankfurt
In the year 1680.
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