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AP 6" Super Planetary history / serial

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#1 HARRISON SCOPES

HARRISON SCOPES

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Posted 16 February 2013 - 07:18 AM

I have recently obtained an early AP 6" F12 triplet lens in cell, I am in the process of refurbishing this and wondered if anyone knows what serial numbers relate to run #1 #2 or #3?

This one is serial 61210

thanks

#2 mustgobigger

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Posted 16 February 2013 - 08:00 AM

up to 80 was the NASA glass run #1.
i have 72 and it was sent out for coatings in october
of 1989.
this i got direct from AP by phone a few months back.
hope this helps.

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#3 mustgobigger

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Posted 16 February 2013 - 08:01 AM

looks like you have the 10'th one built.

#4 HARRISON SCOPES

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Posted 16 February 2013 - 08:13 AM

Great - that is good to know. Thanks very much, it is a shame I only ended up with the lens in a cell!


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