| And to this day, the discoveries of heliography continue to impact art, and art education. |
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| Bugles, flags, and heliography technology have advanced the means of control available to commanders. |
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| Our efforts in heliography have created considerable interest including that of the Solar Energy Division of Arizona's Department of Commerce. |
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| A unique solar application that Lea teaches is heliography or sun printing. |
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| She has been using heliography in her artworks for over ten years. |
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| After taking the pictures of various objects, I retired to my studio and start working on the pictures using the technique of heliography. |
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