THE SECRETS

OF NATURE

Discovered

ANTONIE van LEEUWEN-

HOEK.

In the center of the page is a large, ornate printer's device consisting of intricate, symmetrical calligraphic knot-work or flourishes. To the right of this device is a circular library stamp with a central coat of arms, surrounded by the text: "THE PRINCELY STOLBERG LIBRARY, WERNIGERODE" original: "FÜRSTL. STOLBERG. BIBLIOTHEK WERNIGERODE".

DELFT, HOLLAND,

original: "DELPHIS BATAVORUM," the Latin name for Delft in the Netherlands.

At the house of HENRICUS van KROONEVELD.

1695.

The date is written in Roman numerals using the apostrophus notation: CIƆ IƆ C XCV.