| Description | Slide shows a line chart regarding 'sex-determining substances'.
The Y axis is labelled 'amount of sex-determining substances', the X axis is labelled 'Development'.
There are 7 lines, labelled M, F, M1, M2, M3, M4, M5, and there are vertical lines labelled 'a' to 'e' on the chart which illustrate 'period of differentiation'.
In the upper left corner of front pane there is a label titled 'Makers Newton and Co, 43 Museum Street, London WC1.' |