tangent screw meaning in Hindi

• टेंजेंट पेंच • टैन्जेन्ट पेंच • सूक्ष्मगति पेंच • स्पर्शज्या पेंच

tangent: स्पर्श-रेखा
screw: खपची जेलर ढक्कन

As with the prior inventions, Ramsden's used a tangent screw mechanism to advance the machine from one position to another.