Blake isn't listed on the gaggle of trade names applied to H&D Folsom's Crescent double barrels.
John H. Blake of New York, NY, was granted Patent No. 608023 on July 26, 1898, for a rotary detachable magazine bolt action rifle. In his 1904 book, Edward S. Farrow devotes three pages to the Blake rifles, carbines, and their cartridges, but doesn't say where they are made. An article in the January 1953 American Rifleman says that in addition to making their bolt action rifle, that Blake handled imported double rifles, but again doesn't give their location!?!