St. John's Episcopal Church in Portsmouth, NH, is home to a historical organ, whose origins and builder remain largely speculative. It is known that by 1708, the organ was in Boston, owned by Thomas Brattle, suggesting it may have been there even earlier. Upon Brattle’s death in 1713, the organ transferred to Queen's Chapel, now known as King's Chapel, where it stayed until 1756. This organ represents a significant piece of colonial American music history, echoing the liturgical and community life of early American society.

The organ underwent restoration around 1965 by C. B. Fisk, a notable figure in the world of organ building, known for his expertise in historical restorations and new organ constructions. The instrument includes several key stops: an 8' Stopt Diapason, 4' Principal, and 2' Fifteenth for both Bass and Treble, as well as II Sesquialtera for both Bass and Treble, contributing to its rich sound palette. These features indicate a modest but versatile configuration typical of the period, capable of supporting the diverse musical needs of church services.

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https://beta.pipeorgandatabase.org/instruments/390