PLATE. 1

IBKOTIKI IM®®®*

TM1E1E CTUK1D1IR KITO^ÄlUyc HIKKSIKMI

LONGITUDINAL

SECTION

F V/ : z

FACE OF VALVE

TRANSVERSE SECTION

•Scale, y'iz i

-Tneher Vi

2- Tuet.

_ETlO? Keil & Son, r.-CrK