Collin's pelvimeter
1841-1900
Pelvimeter for separating and measuring the pubic arch during labour
1801-1900
Cadran's pelvimeter for separating and measuring the pubic arch during labour
1841-1900
Collyer's pelvimeter with wide
1851-1950
Pelvimeter, Earle, steel
1871-1900
Simple pattern pelvimeter with curved blades and circular compass
1881-1950
Pelvimeter, similar to Bandelocave's but one blade straight
1801-1850
Pelvimeter, steel, brass and wood
1866-1900
Martin's pelvimeter
1901-1930
Matthews Duncan's pelvimeter
1880-1920
Pelvimeter, nickel plated
1900-1950
Simple pattern pelvimeter
1901-1960
Collin's pelvimeter with curved detachable blades and semi-circular
1841-1900
Martin's external pelvimeter
1871-1940
Pelvimeter, nickel plated
1901-1930
Pelvimeter, chrome-plated, by a London firm
1930-1940
Steel pelvimeter
1871-1900
Pelvimeter, Earle, for internal use
1890-1910
Greenhalgh's pelvimeter with flexible hand-band to which a moveable blade is fitted for internal pelvimetry
1801-1910