Hydroponics Online Store



Hydroponic Systems

Hydroponic Grow Lights & Bulbs

Hydroponic Tents & Grow Boxes

Hydroponic Ballasts

Grow Light Reflectors

Hydroponic Nutrients

Grow Media Rocks

Hydroponic Pumps

Hydroponic Pots

Hydroponic Books

Meters

Hydroponic Exhaust Fans

Hydroponic Seeds

Hydroponic Foggers

Home Store Blog Forums FAQs Lesson Plans Pictures


Search:



Orrery,Solar System model,Sun-Earth-Moon Movement For Sale


Orrery,Solar System model,Sun-Earth-Moon Movement



This item has been shown 0 times.

Buy Now

Orrery,Solar System model,Sun-Earth-Moon Movement:
$89

    Orrery,Solar System model,Sun-Earth-Moon Movement Model,geography teaching/demo Instrument.Please tell me your phone number after your purchase,which is needed for shipping.

    • Use:
      This model represents the relative movement of the sun,the earth,and the moon,used in teaching to demonstrate the relation among the relative movement of the three celcstial bodies,thereby ilucidating such natural phenomena as the originatiou of days and nights,seasons,and climatic zones,likewise solar and lunar eclipses as well as the changing phases of the moon.

      In this model,the sun can light,and the light is drived by dry batteries.And the Earth-moon can revolve around the sun and self-rotate,drived by dry batteries or man'hand .Also,the moon will revolve around the earth while the earch revolve around the sun.

      Parameters:
      metal base's diameter:16.2cm
      sun's diameter:10.2
      max length:56cm
      max height:37cm

      How to use it:
      This Sun-Earth-Moon movement model can be drived by electricity.the sun can be lighted.
      The sun need two #5 batteries,so does the speed controler.

      The price is low,so you can not expect it's good as an orrery of more than hundreds dollars.

      we welcome wholesalers to contact us.

    • Parts to assembly this model .

    • We accept paypal only

    • Usually we ship it by Fedex,DHL or AUX,shipping time is about 7 to 12 days,affected by distance and wether.If where you live is a remote adress express company tell me extra fee for remote place is required,buyer should undertake it,but normally this is rare.


Buy Now


 

Hydroponic Forum Discussions:

Use for Aloe Vera as a nutrient or a PH down?
Dutch Bucket Help!
new grower - rising ph
Adidas superstjerner blev oprindeligt beregnet til pro atleter
Adidas klaver in eerste instantie namens
ASICS tennis shoes are some of the best in the market
Lettuce Floats
First most of us saw mid-air Max 95 Silver
Protected NMD doesn big t necessarily mean
Another multicolor variation of the Nike Flyknit Lunar 3 OR MORE is introduced to kic
We re anxious about the potential of extra NMD
Adidas NMD People sneaker line
Adidas NMD R1 and XR1 received
Less than a year soon after its debut
The Nike Air Max 2015 may be a far cry through the original Air Maximum 1
Charcoal variation with the Adidas NMD R1
The best colorway that will released had been
The Nike Weather Max 90 enlists a new colorway into that ranks this summer keeping
Adidas NMD emits on SaturdayNMD
Mega Boost Uncaged and also Climacool

Popular Hydroponic Items:


Astronomy Reference Stars Planisphere Astrology New picture
Astronomy Reference Stars Planisphere Astrology New


3 Arithma Addiator Vintage Adding Machines Germany picture
3 Arithma Addiator Vintage Adding Machines Germany


Japanese Barograph  Marine Vintage Ship`s Antique  picture
Japanese Barograph Marine Vintage Ship`s Antique


Instrument Society Of America Tie-tack/pin- picture
Instrument Society Of America Tie-tack/pin-


Doctors Model Breast Antique Medical picture
Doctors Model Breast Antique Medical


Learning Resources Graduated Beakers - Set Of 5 Ler0306 picture
Learning Resources Graduated Beakers - Set Of 5 Ler0306


Old  Vintage Chemical Accessories  Made In Usa Coors 522-000  picture
Old Vintage Chemical Accessories Made In Usa Coors 522-000


Vintage Clay Adams Dissection Kit In Brown Vinyl Case picture
Vintage Clay Adams Dissection Kit In Brown Vinyl Case


Central Scientific Round Antique Made In France Reflector = Not Sure What Mirror picture
Central Scientific Round Antique Made In France Reflector = Not Sure What Mirror


Porcelain 9'' Phrenology Head Mind Study By  Fowler 9'' X 3.5' 'x 4.25'' picture
Porcelain 9'' Phrenology Head Mind Study By Fowler 9'' X 3.5' 'x 4.25''