THE GREEN LEVER - CONTENTS PAGE

Welcome to the Green Lever, a site about saving resources and reusing materials. The projects covered are those we use in our daily lives and the 'alternative' energy articles are real case studies from our own house or those of friends.  You can find a full introduction to this blog here

LATEST ARTICLE 

Collimating World War 2 Binoculars

Unlike the more modern pair I collimated, the objective lenses on these could not be easily rotated in their respective cells.  I was thus faced with the possibility that I would have to resort to prism adjustment and this I was loathe to do! It was at this point that I began to think of provenance..read more