Verrijdbare lens 1787 - 1808

Jan Brandes's "Verrijdbare lens" is a technical drawing depicting a movable lens apparatus. Executed between 1787 and 1808, the drawing showcases intricate details of the mechanism, including the lens itself, its supporting structure, and the intricate system of gears and levers. The drawing offers a glimpse into the 18th-century world of scientific instruments and highlights the precision and detail that were characteristic of technical drawings of this era. The work is a testament to Brandes's skill as a draftsman and his interest in the mechanics of scientific instruments.