![FRANCE, seconde moitié du XIXème ou début du XXème siècles
Four thermometers, three of them wall-mounted:
- one centigrade and in Réaulur, wall, with plate, swivel, in graduated glass (reference to 1838).
Signed SECRETAN, Opti[ci]en de S.M. l'Empereur, Paris.
Turntable in molded mahogany.
H. plate: 36 cm - H. plate: 30.8 cm.
- a centigrade, wall-mounted, with a glass tube containing a graduated paper.
Signed RICHEBOURG, Opt[ci]en quai de l'horloge 29, in Paris.
Stained wood turntable.
H. plate : 29.5 cm - H. : tube : 20.5 cm.
- a centigrade, wall-mounted, with a glass tube containing a graduated paper.
Signed O. ROUSSEAU and his sons, in Paris.
Stained wood turntable.
H. plate : 36.8 cm - H. : tube : 30 cm.
- a centigrade 160°, for liquids, with glass tube containing a graduated paper.
Signed RICHEBOURG, Optician Quai de l'Horloge 29, in Paris.
Cylindrical cardboard case.
H. : tube : 34.5 cm.
Provenance :
Laboratory of Auguste VERNEUIL (1856-1913), inventor of synthetic ruby.](https://cdn.drouot.com/d/lot/fullHD/58/121802/6e19404cd91dfee4f241bf234383fffc)
FRANCE, seconde moitié du XIXème ou début du XXème siècles Four thermometers, three of them wall-mounted: - one centigrade and in Réaulur, wall, with plate, swivel, in graduated glass (reference to 1838). Signed SECRETAN, Opti[ci]en de S.M. l'Empereur, Paris. Turntable in molded mahogany. H. plate: 36 cm - H. plate: 30.8 cm. - a centigrade, wall-mounted, with a glass tube containing a graduated paper. Signed RICHEBOURG, Opt[ci]en quai de l'horloge 29, in Paris. Stained wood turntable. H. plate : 29.5 cm - H. : tube : 20.5 cm. - a centigrade, wall-mounted, with a glass tube containing a graduated paper. Signed O. ROUSSEAU and his sons, in Paris. Stained wood turntable. H. plate : 36.8 cm - H. : tube : 30 cm. - a centigrade 160°, for liquids, with glass tube containing a graduated paper. Signed RICHEBOURG, Optician Quai de l'Horloge 29, in Paris. Cylindrical cardboard case. H. : tube : 34.5 cm. Provenance : Laboratory of Auguste VERNEUIL (1856-1913), inventor of synthetic ruby.
Estimate
€60 - €90
Result
Not communicated
Buyer's premium
24%
FRANCE, seconde moitié du XIXème ou début du XXème siècles
Four thermometers, three of them wall-mounted:
- one centigrade and in Réaulur, wall, with plate, swivel, in graduated glass (reference to 1838).
Signed SECRETAN, Opti[ci]en de S.M. l'Empereur, Paris.
Turntable in molded mahogany.
H. plate: 36 cm - H. plate: 30.8 cm.
- a centigrade, wall-mounted, with a glass tube containing a graduated paper.
Signed RICHEBOURG, Opt[ci]en quai de l'horloge 29, in Paris.
Stained wood turntable.
H. plate : 29.5 cm - H. : tube : 20.5 cm.
- a centigrade, wall-mounted, with a glass tube containing a graduated paper.
Signed O. ROUSSEAU and his sons, in Paris.
Stained wood turntable.
H. plate : 36.8 cm - H. : tube : 30 cm.
- a centigrade 160°, for liquids, with glass tube containing a graduated paper.
Signed RICHEBOURG, Optician Quai de l'Horloge 29, in Paris.
Cylindrical cardboard case.
H. : tube : 34.5 cm.
Provenance :
Laboratory of Auguste VERNEUIL (1856-1913), inventor of synthetic ruby.
Sale
Sunday 1 May 2022・20:00 (Europe/Paris)
Sale location coming soon
7 rue Drouot
75009 Paris