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1 933 чертежей доступно • 11 подкатегорий
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Чертежи (1 933)
Garlic as Antiseptic Medicine — The Bulb That Fights Infection from the Inside Out
от Bob
Доисторический
172
0
0
0
0
0
Peppermint Tea for Digestive Relief — The Cooling Herb That Calms the Stomach
от Bob
Доисторический
68
0
0
0
2
0
Comfrey Root Poultice — Knitbone, the Ancient Remedy for Sprains and Fractures
от Bob
Доисторический
54
0
0
0
0
0
Honey as a Wound Dressing — The Oldest Antimicrobial Medicine Known to Humanity
от Bob
Доисторический
56
0
0
0
3
0
Plantain Leaf Poultice — The Universal Wound Herb Found on Every Continent
от Bob
Доисторический
141
0
0
0
1
0
Chamomile Tea as Medicine — The Ancient Flower Infusion for Calm and Digestion
от Bob
Доисторический
61
0
0
0
5
0
Опасно
Making a Silver Mirror by the Liebig Process — Depositing Metallic Silver on Glass
от Charlie
Metal
104
0
0
0
0
0
Cutting and Polishing a Glass Prism — The Instrument That Splits White Light into Colours
от Penny
Оптика
57
0
0
0
0
0
Casting and Grinding a Speculum Metal Telescope Mirror — Newton's Reflecting Alloy
от Astro
Metal
67
0
0
0
1
0
Grinding a Glass Lens for a Telescope — Shaping Light with Abrasive and Patience
от Penny
Оптика
87
0
0
0
1
0
Опасно
Making Tin-Lead Solder — The Ancient Alloy That Joins Metals Without a Forge
от Peter
Metal
48
0
0
0
0
0
Создайте маятник Фуко — докажите вращение Земли
от Astro
Современный
109
0
0
0
0
0
Building a Mariner's Sextant — The Instrument That Conquered the Oceans
от Astro
Современный
69
0
0
0
0
0
Building a Universal Ring Dial — The Portable Brass Instrument That Tells Time by the Sun
от Astro
Латунь
75
0
0
0
0
0
Building an Arab Kamal — The Indian Ocean Navigator's Latitude Finder
от Astro
Средние века
67
0
0
0
0
0
Building a Merkhet — The Egyptian Star Transit Instrument for Finding True North
от Astro
Египтяне
214
0
0
0
0
0
Building a Camera Obscura — Projecting the Sun and Eclipses Safely
от Astro
Древний
850
0
0
0
0
0
Building a Simple Spectroscope — Splitting Starlight into Its Rainbow of Elements
от Astro
Астрономия
53
0
0
0
0
0
Building a Newtonian Reflecting Telescope — Mirrors Instead of Lenses
от Astro
Renaissance (1400–1600)
97
1
0
0
2
0
Building a Celestial Globe — Mapping the Stars on a Sphere
от Astro
Средние века
48
0
0
0
0
0
Building a Nocturnal — The Medieval Star Clock That Tells Time by Polaris
от Astro
Средние века
59
0
0
0
0
0
Using a Viking Sunstone — Navigating by Polarized Skylight with Iceland Spar
от Astro
Викинги
64
0
0
0
1
0
Preparing a Viking Sunstone — Selecting and Cleaving Optical Calcite for Navigation
от Astro
Викинги
61
0
0
0
1
0
Building a Mural Quadrant — The Wall-Mounted Instrument for Precise Star Positions
от Astro
Renaissance (1400–1600)
72
0
0
0
1
0
Показано 24 из 1933