John Charles Dennis
- occupation:
- Barometer maker, Optician, Scientific instrument maker
- Nationality:
- British
118 Bishopsgate Street (1839-49); 122 Bishopsgate Street (1850-61); both in London; England; Bristol (1845).
118 Bishopsgate Street (1839-49); 122 Bishopsgate Street (1850-61); both in London; England; Bristol (1845).
