[page 1]
May 1, 1951 2,551,433
  J.O. GRAVES
  EDUCATIONAL APPARATUS FOR TEACHING
  OBSTETRICS AND MIDWIFERY
  Filed Dec. 27, 1949 3 Sheets-Sheet 1
  [diagram] [diagram]
  Fig. 1 Fig. 2
  INVENTOR
  Julia O. Graves
  BY
  Mason, Fenwick & Lawrence
  ATTORNEYS
[page 2]
May 1, 1951 2,551,433
  J.O. GRAVES
  EDUCATIONAL APPARATUS FOR TEACHING
  OBSTETRICS AND MIDWIFERY
  Filed Dec. 27, 1949 3 Sheets-Sheet 2
  [diagram] 
  Fig. 3 
  INVENTOR
  Julia O. Graves
  BY
  Mason, Fenwick & Lawrence
  ATTORNEYS
[page 3]
May 1, 1951 2,551,433
  J.O. GRAVES
  EDUCATIONAL APPARATUS FOR TEACHING
  OBSTETRICS AND MIDWIFERY
  Filed Dec. 27, 1949 3 Sheets-Sheet 3
  [diagram] 
  Fig. 4 
  [diagram] 
  Fig. 5 
  INVENTOR
  Julia O. Graves
  BY
  Mason, Fenwick & Lawrence
  ATTORNEYS