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:

Ph Meter
Dutch bucket tomatoes drooping, diseased?
Closed system nutrient replenishing

Popular Hydroponic Items:


Vintage Harshaw Scientific 6
Vintage Harshaw Scientific 6" Flexible Ruler Degrees Cork Stopper Size Advertise


Antique Armstrong Cork Co. Glass Laboratory Footed Beaker 4oz. picture
Antique Armstrong Cork Co. Glass Laboratory Footed Beaker 4oz.


Taylor Made Wood/brass Vintage Mid-century Eames Style Era Stormoguide.... picture
Taylor Made Wood/brass Vintage Mid-century Eames Style Era Stormoguide....


Vintage Megger Insulation Tester 500 Volts.england Gen.electric Co.with Case picture
Vintage Megger Insulation Tester 500 Volts.england Gen.electric Co.with Case


21
21"jason Weather Station Japan Thermometer Barometer Hygrometer Wall Wood Glass


Vintage P.t.c. Instruments Model 615 Thermograph - 7 Day; Calibrated I... Lot 42 picture
Vintage P.t.c. Instruments Model 615 Thermograph - 7 Day; Calibrated I... Lot 42


Unrestored Thomas Edison Nickel Iron  Battery 6v Antique Car Model T- Have More  picture
Unrestored Thomas Edison Nickel Iron Battery 6v Antique Car Model T- Have More


Vintage Wallace & Tiernan Military U.s. Surveying Altimeter, Portable ... Lot 54 picture
Vintage Wallace & Tiernan Military U.s. Surveying Altimeter, Portable ... Lot 54


Vintage Honeywell Hygrothermograph With Humidity Needle, Temperature, ... Lot 56 picture
Vintage Honeywell Hygrothermograph With Humidity Needle, Temperature, ... Lot 56


Vintage Aqua Survey And Instruments Co. Portable Compass In The Origin... Lot 58 picture
Vintage Aqua Survey And Instruments Co. Portable Compass In The Origin... Lot 58