Instrumentorum

Annulorum by Johann Dryander. Colored engraving

Annulorum by Johann Dryander

Planimeter used in conjunction with a set square

Surveying: Top; measuring angles using a quadrant

Title page of the third book of Levinus Hulsius

Drawing table showing a graduated T-square in

Compasses and dividers being used to measure the

Engraving of worm-driven fire squirt

Praetorius, Michael (1571-1621)

Praetorius, Michael (1571-1621)

Praetorius, Michael (1571-1621)

Praetorius, Michael (1571-1621)