Puretic power block
Videos
The Puretic power block is a special kind of mechanised winch used to haul nets on fishing vessels. The power block is a large pulley of aluminium with a hard rubber-coated sheave. While many men were
Puretic power block
Large blue water tuna purse seiner. A Puretic power block can be seen at the top of the boom at the stern.
Salmon seiner with power block 1967
Closeup of the power block
Menhaden
Videos
Menhaden, also known as mossbunker, bunker, and "the most important fish in the sea", are forage fish of the genera Brevoortia and Ethmidium, two genera of marine fish in the order Clupeiformes. Menha
Gulf menhaden, Brevoortia patronus
Atlantic menhaden, Brevoortia tyrannus
Pacific menhaden, Ethmidium maculatum