Related Clues:

• Surface for projection of pictures
• Onto which pictures are projected
• A film is projected onto it
• Alexander ..., inventor of the telephone
• Surface on which pictures are projected in cinemas
• It rings when struck
• Show pictures on the surface
• Films are projected onto it
• Test or examine for the presence of disease or infection
• Surface on which to project pictures
• Test for the presence of disease or infection, in the cinema?
• Test for the presence of disease
• 'It provides protection, against insects, say (6)'
• Set of foldable hinged panels
• This might follow 6 across to give one a ring of flowers