Wilcox-Crittenden WC #10 Porthole bronze

Description

SET of 2
VINTAGE
WILCOX CRITTENDEN PORTHOLE
#10
"WC" Wilcox Crittenden trade mark and the number 10 as pictured.
The porthole window is approximately 10"
in diameter and weights 22 lbs.
The total depth to the bottom of the flange is 1.75”.  F
lange OD is 10.375”.
These portholes have clear glass (one has a couple scratches).
Aged patina but should clean up nicely. 1 comes with the wire screen too.
These are old port holes and date to the 1940's or 50's?