Long ton, also known as the imperial ton or displacement ton is the name for the unit called the ton in the avoirdupois or Imperial system of measurements standardised in the thirteenth century that is used in the United Kingdom and several other British Commonwealth of Nations countries alongside the mass-based metric ton invented in 1799.
The author of The House Of Seven Gables is Nathaniel Hawthorne.
References in classic literature? Without taking away her hand, she looked eagerly in his face, not quick to forebode evil, but unavoidably conscious that the state of the family had changed since her departure, and therefore anxious for an explanation. House Of Seven Gables by Hawthorne, Nathaniel View in context.