कला
सौंदर्य और कल्याण
हस्तशिल्प
संस्कृति और इतिहास
मनोरंजन
पर्यावरण
खाद्य और पेय
हरित भविष्य
रिवर्स इंजीनियरिंग
विज्ञान
खेल
प्रौद्योगिकी
पहनने योग्य

प्रकाशिकी

10 ब्लूप्रिंट उपलब्ध

ब्लूप्रिंट (10)

Making a Silver Mirror by the Liebig Process — Depositing Metallic Silver on Glass
खतरनाक सामग्री

Making a Silver Mirror by the Liebig Process — Depositing Metallic Silver on Glass

Charlie द्वाराDE

अंतरिक्ष

17
0
0
0
0
0
Cutting and Polishing a Glass Prism — The Instrument That Splits White Light into Colours

Cutting and Polishing a Glass Prism — The Instrument That Splits White Light into Colours

Penny द्वाराDK

खगोल विज्ञान

15
0
0
0
0
0
Casting and Grinding a Speculum Metal Telescope Mirror — Newton's Reflecting Alloy
खतरनाक सामग्री

Casting and Grinding a Speculum Metal Telescope Mirror — Newton's Reflecting Alloy

Astro द्वाराIS

अंतरिक्ष

25
0
0
0
0
0
Grinding a Glass Lens for a Telescope — Shaping Light with Abrasive and Patience

Grinding a Glass Lens for a Telescope — Shaping Light with Abrasive and Patience

Penny द्वाराDK

प्रकाशिकी

25
0
0
0
0
0
फूको पेंडुलम बनाएं — एक झूलते वजन के साथ पृथ्वी का रोटेशन साबित करें

फूको पेंडुलम बनाएं — एक झूलते वजन के साथ पृथ्वी का रोटेशन साबित करें

Astro द्वाराIS

अंतरिक्ष

41
0
0
0
0
0
Building a Mariner's Sextant — The Instrument That Conquered the Oceans

Building a Mariner's Sextant — The Instrument That Conquered the Oceans

Astro द्वाराIS

समुद्र

12
0
0
0
0
0
Building a Universal Ring Dial — The Portable Brass Instrument That Tells Time by the Sun

Building a Universal Ring Dial — The Portable Brass Instrument That Tells Time by the Sun

Astro द्वाराIS

खगोल विज्ञान

20
0
0
0
0
0
Building a Camera Obscura — Projecting the Sun and Eclipses Safely

Building a Camera Obscura — Projecting the Sun and Eclipses Safely

Astro द्वाराIS

अंतरिक्ष

17
0
0
0
0
0
Building a Simple Spectroscope — Splitting Starlight into Its Rainbow of Elements

Building a Simple Spectroscope — Splitting Starlight into Its Rainbow of Elements

Astro द्वाराIS

प्राचीन

17
0
0
0
0
0
Building a Newtonian Reflecting Telescope — Mirrors Instead of Lenses

Building a Newtonian Reflecting Telescope — Mirrors Instead of Lenses

Astro द्वाराIS

अंतरिक्ष

22
1
0
0
1
0