1.   Miss Honey put down her pencil and removed her spectacles and began to polish the lenses with a piece of tissue.

2.   Polish the lenses with a piece of tissue.

3.   I would not know what to do with my hands, which now occupy spare moments pushing glasses back up my nose and polishing the lenses.

4.   So, when the photographic pioneers moved to new frontiers, those left behind polished their lenses and wielded an influence of their own at home and abroad.