---

My best estimate at this time, from left to right:

- 1961 to 1975

- 1975 to 1982

- 1982 to 1986

- 1986 to 2001

Yes, I would expect both of your boat to use the light on far left.

The lens is available in two forms that I know of:

Reproduction from Specialty Marine

http://www.specialtymarine.com/BOSTON...-p130.html

Actual New Old Stock (NOS) from ClassicBoating.com:

http://www.classicboating.com/parts/b...half-round

There is a lengthy thread discussing the socket itself. (This is what inspired me to take these photos.) It can be found here:

http://www.whalercentral.com/forum/vi...d_id=18874
(added www to the url)