CBSE BOARD X, asked by villianravana, 8 months ago

who invited the fren​

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Answered by nagu25
0

Answer:

The process, patented by the artist and publisher Henry Bradbury, impressed a specimen on to a soft lead plate. The first publication to demonstrate this was Alois Auer's The Discovery of the Nature Printing-Process. Fern bars were popular in America in the 1970s and 80s.

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