Browse Items (2 total)

For crushing bladder stones. Includes: 48 cm COLLIN #3 (Bigelow) 1878 40 cm. Wheeled knob - graduations 1-6, no marks. (Before 1878) Attached description card

Descriptive card: "'U' type entirely enclosed by a small metal housing and held in place by melted wax. A table clamp secured this portable instrument. The small scale was hard to read."