This is the original, iconic, very old traditional aluminium bodied Nilfisk (Tellus) GA70, with   

If you have one with the old 500 Watt motor, bring it right up to date with the current 

That will make it equivalent to the current 

The first two photos show the GA70 with the blue diffuser on the top. This covers the blower arrangement in the top.

The third photo shoes the older R40 from the 1940s.

The fourth photo shows a GS80 with the GSD 700Watt motor in it.

The fifth photo shows the current GM80 with the GMP 1200Watt motor in it.

At the moment, standard postage is capped at a maximum of $30 within Australia, so maximise the saving on postage and buy something in the related parts below!