Showing 19 results

The item is a negative of a cabin with solar energy.

The item is a negative of a solar hot dog cooker.

The item is a negative of a solar panel use to demonstrate how it can be use in a ventillation system.

The item is a negative of a poster Here comes the sun used to promote solar energy.

The item is a negative of a drawing showing how solar panel work with a house heating system.

The item is a negative of a solar panel use to demonstrate how it can be use in a ventillation system.

The item is a negative of a poster Here comes the sun used to promote solar energy.

The item is a negative of a photograph showing many solar panels on a house.

The item is a negative of a house with solar energy.

The item is a negative of a house with solar energy.

The item is a negative of a house with solar energy.

The item is a negative of a solar panel use to demonstrate the heating capacity of the panel by heating the water of a small pool.

The item is a negative of a solar panel use to demonstrate the capacity of the energy it produce.

The item is a negative of a solar panel use to demonstrate the heating capacity of the panel.

The item is a negative of a solar panel use to demonstrate the heating capacity of the panel by heating the water of a small pool.

The item is a negative of Nick Nicholson, pioneer of solar energy in Ayer’s Cliff.

The item is a negative of Nick Nicholson, pioneer of solar energy in Ayer’s Cliff.

The item is a negative of Nick Nicholson, pioneer of solar energy in Ayer’s Cliff.

The item is a negative of a house in Massawippi.