Trocar, steel, with plated cannula
1871-1930
Size 7 trocar
1901-1940
Holt's urethral dilator and two cannulae
Set of four reversible notched bladder trocars and blunt pilots with ebony handles and metal cannulae
1865-1920
Holt's urethral dilator
1801-1860
Trocar, steel with plated metal cannula
1851-1925