15.0 cm length across arch:
0 - Whole; 15 cm; aft (open) end
0 - Whole; 1.7 cm; fore (open) end
0 - Whole; 1.6 cm
AC Haddon, Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences, 'Smoking and Tobacco Pipes in New Guinea', pg. 1-278, London, 06 Jun 1946.