Drawings of 'imaginary machines' made with pencil, coloured pencil and ink. Most have plausible mechanisms.

Imaginary Machine Coloured pencil on Paper . Approximately A4

Imaginary Machine Coloured pencil on Paper . Approximately A4

Imaginary Machine Coloured pencil on Paper . Approximately A4

Imaginary Machine Coloured pencil on Paper . Approximately A4

Imaginary Machine Coloured pencil on Paper . Approximately A4

Imaginary Machine Coloured pencil on Paper.

Imaginary Machine Coloured pencil on Paper.

Imaginary Machine Coloured pencil on Paper.

Imaginary Machine Coloured pencil on Paper.

Imaginary Machine Coloured pencil on Paper . Approximately A4

Imaginary Machine Coloured pencil on Paper.

Imaginary Machine Coloured pencil on Paper.

Imaginary Machine Coloured pencil on Paper . Approximately A4

Imaginary Machine Coloured pencil on Paper . Approximately A4

Imaginary Machine Coloured pencil on Paper.

Imaginary Machine Coloured pencil on Paper . Approximately A4

Imaginary Machine Coloured pencil on Paper.