| • प्रकाश चित्रदर्शी | |
| optical: चाक्षुष चाक्षुष | |
| lantern: फानूस लालटेन | |
optical lantern मीनिंग इन हिंदी
optical lantern उदाहरण वाक्य
उदाहरण वाक्य
- The rotating optical lantern emits a red light every 15 seconds, visible for.
- Between 1864 and 1885 Woodbury took out more than 30 patents in Britain and abroad for inventions relating to transparencies, sensitised films and improvements in optical lanterns and stereoscopy.