PET Bottle Rain Gauge/Regenmesser
a rain gauge that requires a 500ml PET bottle as a measuring container - the monthly amount of rain can be added up using the rotating funnel for mounting on a D10mm bamboo/wood/steel etc rod I created a 215mm high version for printers…
- Pobrania
- 273
- Polubienia
- 33
- Ocena
- 5







