प्रकाशचित्रक कैमेरा ल्यूसिडा (Camera Lucida)
Camera Lucida
November 16, 2021
प्रकाशचित्रक या कैमेरा ल्यूसिडा (Camera Lucida) एक प्रकाशीय उपकरण (Optical instrument) है, जिससे किसी वस्तु का …
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