Boston village calibre
Boston Vintage calibre (late 18th century) featuring a single bridge under which the gears were housed. Though simple in terms of its construction, the calibre was impractical when it came to winding the gears.
Boston Vintage calibre (late 18th century) featuring a single bridge under which the gears were housed. Though simple in terms of its construction, the calibre was impractical when it came to winding the gears.