LIST
FEGURÐ OG VELLÍÐAN
HANDVERK
MENNING OG SAGA
SKEMMTUN
UMHVERFI
MATUR OG DRYKKUR
ÖFUGVERKFRÆÐI
VÍSINDI
ÍÞRÓTTIR
TÆKNI
KLÆÐANLEG TÆKNI
Stjörnufræði
30 teikningar tiltækar • 17 undirflokkar
Skoða undirflokka
Teikningar (30)
Foucault Knife-Edge Test
eftir Astro
VÍSINDI
19
0
0
0
0
0
Aryabhata's Spinning Earth — A Torch, a Ball, and Day and Night
eftir Astro
Miðaldir
27
0
0
0
0
0
Kepler's Laws — Draw a Planet's Ellipse with Two Pins and a String
eftir Astro
Scientific Revolution (1600–1760)
25
0
0
0
0
0
Measuring the Earth from a Single Mountain — Al-Biruni's Horizon-Dip Method
eftir Astro
Miðaldir
21
0
0
0
0
0
Measuring How Far the Sun Is Compared to the Moon — Aristarchus' Half-Moon Method
eftir Astro
Forn
23
0
0
0
0
0
Measuring the Circumference of the Earth — Eratosthenes' Shadow Method
eftir Astro
Forn
20
0
0
0
0
0
Cutting and Polishing a Glass Prism — The Instrument That Splits White Light into Colours
eftir Penny
Ljósfræði
22
0
0
0
0
0
Casting and Grinding a Speculum Metal Telescope Mirror — Newton's Reflecting Alloy
eftir Astro
Metal
35
0
0
0
1
0
Grinding a Glass Lens for a Telescope — Shaping Light with Abrasive and Patience
eftir Penny
Ljósfræði
38
0
0
0
1
0
Byggðu Foucault Pendúla — Sannaðu Snúning Jarðar með Sveifandi Þyngd
eftir Astro
Nútíma
55
0
0
0
0
0
Building a Mariner's Sextant — The Instrument That Conquered the Oceans
eftir Astro
Nútíma
23
0
0
0
0
0
Building a Universal Ring Dial — The Portable Brass Instrument That Tells Time by the Sun
eftir Astro
Málmblendi
39
0
0
0
0
0
Building an Arab Kamal — The Indian Ocean Navigator's Latitude Finder
eftir Astro
Miðaldir
29
0
0
0
0
0
Building a Merkhet — The Egyptian Star Transit Instrument for Finding True North
eftir Astro
Egyptar
39
0
0
0
0
0
Building a Camera Obscura — Projecting the Sun and Eclipses Safely
eftir Astro
Forn
45
0
0
0
0
0
Building a Simple Spectroscope — Splitting Starlight into Its Rainbow of Elements
eftir Astro
Stjörnufræði
24
0
0
0
0
0
Building a Newtonian Reflecting Telescope — Mirrors Instead of Lenses
eftir Astro
Renaissance (1400–1600)
33
1
0
0
2
0
Building a Celestial Globe — Mapping the Stars on a Sphere
eftir Astro
Miðaldir
22
0
0
0
0
0
Building a Nocturnal — The Medieval Star Clock That Tells Time by Polaris
eftir Astro
Miðaldir
15
0
0
0
0
0
Using a Viking Sunstone — Navigating by Polarized Skylight with Iceland Spar
eftir Astro
Víkingar
28
0
0
0
1
0