assorted clamps and springs
Date: 1960-1964
Inventory Number: 2003-1-0090
Classification: Hardware
Subject:
User: John B. Little
User: Harvard School of Public Health (founded 1913)
Cultural Region:
City of Use:
Dimensions:
one spring: 0.6 × 14.9 × 0.6 cm (1/4 × 5 7/8 × 1/4 in.)
larger clamp: 4.1 × 3.4 × 0.5 cm (1 5/8 × 1 5/16 × 3/16 in.)
Accessories: screw clamps (2); springs with wire clips attached (3); pinch clamps (2); rubber band
Description:
3 metal springs with wire clips at either end; 2 metal screw clamps; 2 pinch clamps; 1 rubber band
Signedunsigned
Historical AttributesUsed by Professor John B. Little, Harvard School of Public Health in his experiments on the antidiuretic activity in the blood of undisturbed rats. The hardware was used to attach tubing to the rat in order to deliver the antidiuretic hormone without disturbing the animal.
Primary SourcesUsed in John B. Little and Edward P. Radford Jr., “Bio-assay for antidiuretic activity in blood of undisturbed rats,” Journal of Applied Physiology 19 2 (1964): 179-186.
See J B Little Lab file for description of experiment's original configuration.
See J B Little Lab file for description of experiment's original configuration.
ProvenanceJohn B. Little, Department of Cancer Cell Biology, Harvard School of Public Health; gift to CHSI, 2003.