Re: Roland's October 1981 Sky & Telescope article: "An Apochromatic Triplet Objective"
Roland Christen
It's from a time when people actually looked thru a scope with things called eyepieces (and had telephones attached to walls, with rotary dials on them).
Rolando
-----Original Message-----
From: Pete Lardizabal <p14@...> To: main@ap-ug.groups.io Sent: Tue, Feb 23, 2021 1:52 pm Subject: Re: [ap-ug] Roland's October 1981 Sky & Telescope article: "An Apochromatic Triplet Objective" Many thanks James!
Read this long, long ago in a land far, far away.
🤓
Pete
On Feb 23, 2021, at 2:03 PM, James Stone <jrs7r@...> wrote:
|
|