The Nautical Encyclopedia
Patterson’s Illustrated Nautical Encyclopedia — Howard Patterson, 1891

Treble Block

Sea Terms

A block of three sheaves. Same as a three-fold block.

Different blocks — sheaves, shells, single, double and treble blocks, cat, snatch, sister and tail blocks, and dead-eye
Different blocks — sheaves, shells, single, double and treble blocks, cat, snatch, sister and tail blocks, and dead-eye
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