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Derrick head block
Metal single block with a sheave. Derrick head block. SWL 5 tons.
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Object Details
| ID: | EQS0043 |
|---|---|
| Type: | Block |
| Display location: | Not on display |
| Creator: | Boston & Lockport Block Co |
| Date made: | Unknown |
| Credit: | National Maritime Museum, Greenwich, London |