Pelvimeter for separating and measuring the pubic arch during labour

1801-1900

Collyer's pelvimeter with wide

1851-1950

Collin's pelvimeter

1841-1900

Cadran's pelvimeter for separating and measuring the pubic arch during labour

1841-1900

Pelvimeter, Earle, steel

1871-1900

Martin's pelvimeter

1901-1930

Simple pattern pelvimeter with curved blades and circular compass

1881-1950

Pelvimeter, steel, brass and wood

1866-1900

Pelvimeter, similar to Bandelocave's but one blade straight

1801-1850

Steel pelvimeter

1871-1900

Pelvimeter, nickel plated

1900-1950

Collin's pelvimeter with curved detachable blades and semi-circular

1841-1900

Simple pattern pelvimeter

1901-1960

Matthews Duncan's pelvimeter

1880-1920

Pelvimeter, nickel plated

1901-1930

Martin's external pelvimeter

1871-1940

Pelvimeter, chrome-plated, by a London firm

1930-1940

Pelvimeter, Earle, for internal use

1890-1910