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| How I made simple one bar specs... The Research |
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| Historical Documentation - Paintings, engravings actual documents and stuff... |
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| engravings 1 | engravings 2 | engravings 3 | engravings 4 | engravings 5 |
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- 1600 - 1700 German Frames of heavy brass wire tied with binding thread to hold the lenses firmly in place. This style continued in use throughout the eighteeth century.
- Rigid frames made of leather
- End of the century Chinese. Made of horn. Small holes at either side of the frame are for attaching cords.
- End of the 1600's. Spring frames with attached spring bridge.
- Perspective glass with silver mounting. These were used by fashionable gentlemen throughout the century.
- Frames made of brass wire. After the lenses were inserted, the frames were pulled tight and tied with binding thread. Not used before the 1600's.
- 1687 German, Spectacle makers' 'masterpiece' - see the image below of the actual spectacles!
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