DATE | LOCATION | CITATION | TEXT INDEX ENTRY | 1762.04.08 | Bristol | CITATION | Glassychord, invented by Franklin, capable of thorough bass | 1762.04.19 | Bristol | CITATION | Glassychord, invented by Franklin, capable of thorough bass | 1762.04.22 | Bristol | CITATION | Glassychord, invented by Franklin, capable of thorough bass | 1762.04.24 | Bristol | CITATION | Glassychord, invented by Franklin, capable of thorough bass |