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.

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 . 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 . Approximately A4

Imaginary Machine Coloured pencil on Paper . Approximately A4

Imaginary Machine Coloured pencil on Paper.

Imaginary Machine Coloured pencil on Paper.