Double Sheave Block

Object/Artifact

Lake Champlain Maritime Museum

Name/Title

Double Sheave Block

Description

Artifact 00.01.18 is a double wooden sheave.

Use

Sheaves (also called blocks) like these were used frequently in the maritime world to make lifting heavy objects, like the vessel's rigging, sails, or cargo, easier. These objects can have 1 or more grooves which serve as a track for the rope that passes through them. This principle is also called mechanical advantage.

Collection

OJ Walker Collection

Made/Created

Date made

circa 1895

Lexicon

Nomenclature 4.0

Nomenclature Tertiary Object Term

Block and Tackle

Nomenclature Secondary Object Term

Hoist

Nomenclature Primary Object Term

Apparatus, Hoisting

Nomenclature Sub-Class

Mechanical Devices

Nomenclature Class

Mechanical T&E

Nomenclature Category

Category 05: Tools & Equipment for Science & Technology

Other Names and Numbers

Other Numbers

Number Type

Archaeological Project Number

Other Number

00.01.18

Material

Iron, Wood

Condition

Overall Condition

Fair

Relationships

Related Events

Event

Sinking of OJ Walker

Related Publications

Publication

Underwater Preserve Feasibility Study of The Lake Champlain Canal Schooner O.J. Walker (VT-CH-594) Burlington, Chittenden County, Vermont