 |
|
|
|
|
|
|
 |
 |
|
||
|
 |
|
|
 |
|
|
 |
|
HISTORY Manual chain jacking device used in early days of salvage jacks provided 18" per day of back breaking lift. |
|
|
 |
|
|
|
 |
|
|
|
|
 |
 |
|
||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
||
|
|
|
|
|
|
|
|
|
HISTORY Manual chain jacking device used in early days of salvage jacks provided 18" per day of back breaking lift. |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
||
|
|
|
|
|
|