John Baptist & Joshua Ronchetti 1841 - 1851
- occupation:
- Optical instrument maker,
- Scientific instrument maker
- Nationality:
- British
- born in:
- Manchester, Manchester urban district, Greater Manchester, England, United Kingdom
John Baptist Ronchetti and his brother, Joshua Ronchetti, sons of Joshua Ronchetti, were succeeded by/ sold the business to their brother-in-law, Joseph L Casartelli in 1851.
1841 to 1851 - hydrometer and thermometer makers; they were succeeded by Joseph L. Casartelli who married their sister.