Special Collections and Exhibitions
Balances
Chemical instrumentation
Mettler H 20 T single-pan balance
- Features: Replacement single-pan balance
- Manufacturer: Mettler Balance Company USA
- Date: 1967-1973
- Origin: IQS
Cobos precision balance
- Features: Two-pan balance -with weights placed on one of the pans-, free oscillation, three support blades for the pans and the cross. The balance point is established by averaging several oscillation periods.
- Manufacturer: COBOS, Madrid
- Date: 1950s
- Source: IQS
Mohr Westphal balance for densities
- Features: Unequal-arm balance used to determine the densities of liquids.
- Manufacturer: C.E.D.A.C., Madrid
- Date: 1940s
- Origin: IQS
Vulcano balance, 1 kg
- Features: Two-pan balance. Roberbal type.
- Manufacturer: Unknown
- Origin: María Auxiliadora School
- Location: IQS Library
Granatario
- Features: Two-pan balance. Roberbal type.
- Manufacturer: Unknown
- Origin: María Auxiliadora School
Sartorius single-pan balance, model 2442
- Features: Replacement single-pan balance.
- Manufacturer: Sartorius Werke GMBH Gottingen
- Origin: IQS
Triple-arm balance
- Features: Capacity 2160 g, accuracy 0.1 g.
- Manufacturer: Ohaus Scale Corporation (USA)
- Date: 1980
- Origin: María Auxiliadora School
- Location: Library
Precision analytical balance
- Features: Two-pan balance with pneumatic dampers. It also has a Reiter or rider, which is a piece located on one of the arms that can weigh tenths of a milligram by moving along an engraved ruler.
- Manufacturer: Unknown
- Date: 1920s
- Origin: Mr. Carlos Millet
G. Hartner balance
- Features: Balance with two small, concave pans.
- Manufacturer: G. Hartner
- Provenance: IQS
Sartorius Selecta Rapid single-pan balance
- Features: Cylindrical single-pan replacement balance.
- Manufacturer: Sartorius Werke GMBH Gottingen
- Date: 1955
- Provenance: Mr. Emiliano Rodríguez (INIBSA)
