What was the issue with the exploding whale harpoon developed in 1638?

Art period: Early Modern
Top 3 works: Danish whaling cookery on the island of Danskoya at Spitsbegen
Top-ranked work: <a href="/nl/art/abraham-speeck-danish-whaling-cookery-on-the-island-of-danskoya-a-wd-aa-598dumdi-en/" rel="noopener">Danish whaling cookery on the island of Danskoya at Spitsbegen
Copyright status: Under copyright

It was too heavy to be used in practice

What did Abraham Speeck receive a patent for in 1630?

A water mill driven by its own water

(1586 - ) – Schilderijen, biografie & beroemde werken

A Polymath of the Dutch Golden Age

Abraham Speeck, also known as Abraham Speecx, was a Dutch painter, inventor, and pyrotechnician born in 1586. While his legacy as a visual artist is defined by a single known work, his contributions to the realm of invention were diverse and ambitious. His recorded artistic output includes the piece Danish whaling cookery on the island of Danskoya at Spitsbegen, dated 1634.

Beyond the canvas, Speeck was a man of mechanical ingenuity. His intellectual pursuits led him to secure several patents throughout the seventeenth century. His inventive endeavors included: