Peter Hurd (American, 1904 - 1984)

4.8 cm - 6.5 cm
(1.89 in - 2.56 in)

13 cm - 19.5 cm
(5.12 in - 7.68 in)

13.2 cm - 11 cm
(5.2 in - 4.33 in)

15.75 cm - 19.75 cm
(6.2 in - 7.78 in)

17 cm - 23 cm
(6.69 in - 9.06 in)

30 cm - 36.5 cm
(11.81 in - 14.37 in)

10 cm - 13.7 cm
(3.94 in - 5.39 in)

9 cm - 12.1 cm
(3.54 in - 4.76 in)