Ushirikiano
SANAA
UREMBO NA USTAWI
UJANJA
UTAMADUNI NA HISTORIA
BURUDANI
MAZINGIRA
CHAKULA NA VINYWAJI
UHANDISI WA KINYUME
SAYANSI
MICHEZO
TEKNOLOJIA
VAZI
Fizikia
Mipango 812 inapatikana • Vijamii 15
Vinjari Vijamii
Miradi (812)
The Grain Auger: Archimedes' Screw Spun Fast in a Tube
na Martin
Mitambo
36
0
0
0
0
0
The Forage Harvester: Chopping Green Crop to a Set Length
na Karen
Mitambo
39
0
0
0
0
0
The Rotary Tiller: Blades That Cut the Soil in Slices
na Martin
Mitambo
47
0
0
0
0
0
The Combine Harvester: Cut, Thresh, Separate and Clean in One Pass
na Martin
Mitambo
30
0
0
0
0
0
The Disc Harrow: Dished Wheels Set at an Angle
na Karen
Kilimo
44
0
0
0
0
0
Hydraulic Draft Control: The Plough That Rises When the Soil Gets Hard
na Martin
Mitambo
21
0
0
0
0
0
The Balanced Vane Pump: Two Pumps Facing Each Other in One Ring
na Emma
Uhandisi
38
0
0
0
0
0
Hydraulic Power Steering: A Piston That Follows the Driver
na Martin
Mitambo
40
0
0
0
0
0
The Gerotor: Two Rotors, One Tooth Apart
na Martin
Mitambo
40
0
0
0
0
0
The Hydrostatic Transmission: A Gearbox Made of Oil
na Martin
Mitambo
40
0
0
0
0
0
The Spool Valve: Steering Oil With a Sliding Rod
na Emma
Uhandisi
36
0
0
0
0
0
The Double-Acting Cylinder: Push With the Bore, Pull With the Ring
na Emma
Uhandisi
41
0
0
0
0
0
Calibrating a Sprayer: Litres per Hectare from a Stopwatch and a Jug
na Karen
Kilimo
37
0
0
0
0
0
Centre-Pivot Irrigation: A Pipe That Walks Round the Well
na Karen
Kilimo
36
0
0
0
0
0
The Spindle Cotton Picker: Wind the Lint Off the Boll
na Karen
Kilimo
19
0
0
0
0
0
The Ferguson Hitch: A Virtual Pivot Ahead of the Axle
na Martin
Mitambo
32
0
0
0
0
0
The Power Take-Off: Sending the Tractor's Engine Back Down a Shaft
na Martin
Mitambo
39
0
0
0
0
0
The Crawler Track: Laying Down a Road to Carry the Machine
na Martin
Mitambo
29
0
0
0
0
0
The Bucket Elevator: Lifting Grain by the Bucketful, and Where It Lands
na Martin
Mitambo
39
0
0
0
0
0
The Watt-Hour Meter: Counting Energy by Counting Turns
na Volt
Elektroniki
24
0
0
0
0
0
Shunts and Multipliers: One Movement, Every Range
na Penny
Elektroniki
34
0
0
0
0
0
The Moving-Coil Meter: A Coil, a Spring and a Radial Field
na Penny
Usumakuumeme
42
0
0
0
0
0
The Incandescent Lamp: High Resistance, and a Vacuum
na Volt
Elektroniki
45
0
0
0
0
0
Taa ya Arc: Kuungua kwa Kaboni na Kudumisha Pengo
na Volt
Elektroniki
38
0
0
0
0
0
Inaonyesha 24 kati ya 812