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1.546 plan mevcut • 11 alt kategori
Alt Kategorilere Göz Atın
Planlar (1.546)
Honey as a Wound Dressing — The Oldest Antimicrobial Medicine Known to Humanity
Bob tarafından
Tarih öncesi
54
0
0
0
3
0
Plantain Leaf Poultice — The Universal Wound Herb Found on Every Continent
Bob tarafından
Tarih öncesi
138
0
0
0
1
0
Chamomile Tea as Medicine — The Ancient Flower Infusion for Calm and Digestion
Bob tarafından
Tarih öncesi
55
0
0
0
5
0
Making a Silver Mirror by the Liebig Process — Depositing Metallic Silver on Glass
Charlie tarafından
Metal
92
0
0
0
0
0
Cutting and Polishing a Glass Prism — The Instrument That Splits White Light into Colours
Penny tarafından
Optik
51
0
0
0
0
0
Casting and Grinding a Speculum Metal Telescope Mirror — Newton's Reflecting Alloy
Astro tarafından
Metal
58
0
0
0
1
0
Grinding a Glass Lens for a Telescope — Shaping Light with Abrasive and Patience
Penny tarafından
Optik
79
0
0
0
1
0
Tehlikeli
Making Tin-Lead Solder — The Ancient Alloy That Joins Metals Without a Forge
Peter tarafından
Metal
47
0
0
0
0
0
Foucault Sarkacı Yapın — Dünya'nın Dönüşünü Kanıtlayın
Astro tarafından
Modern
100
0
0
0
0
0
Building a Mariner's Sextant — The Instrument That Conquered the Oceans
Astro tarafından
Modern
62
0
0
0
0
0
Building a Universal Ring Dial — The Portable Brass Instrument That Tells Time by the Sun
Astro tarafından
Pirinç
74
0
0
0
0
0
Building an Arab Kamal — The Indian Ocean Navigator's Latitude Finder
Astro tarafından
Ortaçağ
62
0
0
0
0
0
Building a Merkhet — The Egyptian Star Transit Instrument for Finding True North
Astro tarafından
Mısırlılar
183
0
0
0
0
0
Building a Camera Obscura — Projecting the Sun and Eclipses Safely
Astro tarafından
Antik
845
0
0
0
0
0
Building a Simple Spectroscope — Splitting Starlight into Its Rainbow of Elements
Astro tarafından
Astronomi
52
0
0
0
0
0
Building a Newtonian Reflecting Telescope — Mirrors Instead of Lenses
Astro tarafından
Renaissance (1400–1600)
85
1
0
0
2
0
Building a Celestial Globe — Mapping the Stars on a Sphere
Astro tarafından
Ortaçağ
46
0
0
0
0
0
Building a Nocturnal — The Medieval Star Clock That Tells Time by Polaris
Astro tarafından
Ortaçağ
50
0
0
0
0
0
Using a Viking Sunstone — Navigating by Polarized Skylight with Iceland Spar
Astro tarafından
Vikingler
60
0
0
0
1
0
Preparing a Viking Sunstone — Selecting and Cleaving Optical Calcite for Navigation
Astro tarafından
Vikingler
58
0
0
0
1
0
Building a Mural Quadrant — The Wall-Mounted Instrument for Precise Star Positions
Astro tarafından
Renaissance (1400–1600)
72
0
0
0
1
0
Building a Galilean Telescope — The Instrument That Changed Our View of the Universe
Astro tarafından
Renaissance (1400–1600)
62
0
0
0
4
0
Building a Copernican Orrery — A Mechanical Model of the Heliocentric Solar System
Astro tarafından
Renaissance (1400–1600)
65
0
0
0
3
0
Building a Cross-Staff — The Medieval Navigator's Angle-Measuring Instrument
Astro tarafından
Ortaçağ
80
0
0
0
6
0
1546 içinden 24 gösteriliyor