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Thread: I am looking for a copy of "Minus CX Optics" by D. Orthogon & D. Tillyer

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    I am looking for a copy of "Minus CX Optics" by D. Orthogon & D. Tillyer

    I am looking for a copy of "Minus CX Optics" by D. Orthogon & D. Tillyer

    Does anyone know where I can get a copy? Is there a text book that includes this article. Google came up empty.

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    Master OptiBoarder rbaker's Avatar
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    Check out Dick Whitneys AO web sites at http://www.dickwhitney.net/RBWAOHistoryIndex.html.

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    Master OptiBoarder MakeOptics's Avatar
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    Quote Originally Posted by sharpstick777 View Post
    I am looking for a copy of "Minus CX Optics" by D. Orthogon & D. Tillyer

    Does anyone know where I can get a copy? Is there a text book that includes this article. Google came up empty.
    "D. Orthogon" are you sure there is a person named "Orthogon"?

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    No, I am not. Tillyer yes, but I found a quote with what looked like two names attributed in the reference material.

    Quote Originally Posted by PhiTrace View Post
    "D. Orthogon" are you sure there is a person named "Orthogon"?

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    Quote Originally Posted by rbaker View Post
    Check out Dick Whitneys AO web sites at http://www.dickwhitney.net/RBWAOHistoryIndex.html.
    Thanks Dick, I found a lot of interesting historical information but nothing technical.

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    Master OptiBoarder MakeOptics's Avatar
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    It may be a reference to a research paper as well, I would assume that orthogon was not a name since it is a term used in optics quite often. Maybe a search for all of tillyer's works might give you another avenue to search.

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    Master OptiBoarder OptiBoard Silver Supporter SharonB's Avatar
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    Quote Originally Posted by sharpstick777 View Post
    No, I am not. Tillyer yes, but I found a quote with what looked like two names attributed in the reference material.
    Orthogon was Bausch & Lomb's trade name for their plus-cylinder glass lenses. They were all over the place until the early/mid 1970s when minus-cylinder became the norm. Many of us oldsters had to hand hold patients through the plus-to-minus-cylinder conversion. That was especially hard when they were wearing hi-index glass, like Thinlite. Probably Harry Jillson remembers this well too. I can still remember the red and white envelopes that the Tillyer Masterpiece (minus cylinder from AO) and the B&L Orthogon (plus cylinder) came in. As far as I know there was NO Dr. Orthogon.
    Lost and confused in an optical wonderland!

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    Thanks! Then it Tillyer. Maybe Tillyer mentions Orthogon, so its why its in the note I have.


    Quote Originally Posted by SharonB View Post
    Orthogon was Bausch & Lomb's trade name for their plus-cylinder glass lenses. They were all over the place until the early/mid 1970s when minus-cylinder became the norm. Many of us oldsters had to hand hold patients through the plus-to-minus-cylinder conversion. That was especially hard when they were wearing hi-index glass, like Thinlite. Probably Harry Jillson remembers this well too. I can still remember the red and white envelopes that the Tillyer Masterpiece (minus cylinder from AO) and the B&L Orthogon (plus cylinder) came in. As far as I know there was NO Dr. Orthogon.

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    Dick,
    No links on the site really, but there is a folder that I found that had some documents in PDF, so thanks:

    http://opticalheritagemuseum.org/pdfs/AOTechReports/

    Quote Originally Posted by rbaker View Post
    Check out Dick Whitneys AO web sites at http://www.dickwhitney.net/RBWAOHistoryIndex.html.

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    Master OptiBoarder Darryl Meister's Avatar
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    As far as I know there was NO Dr. Orthogon
    Wilbur Rayton designed the Orthogon lenses for B&L. John Davis designed the Tillyer Masterpiece lens for AO.

    Best regards,
    Darryl
    Darryl J. Meister, ABOM

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