John Harrison. A description concerning such mechanism as will afford a nice, or true mensuration of time. - London, 1775

 

A description concerning such mechanism as will afford a nice, or true mensuration of time : together with some account of the attempts for the discovery of the longitude by the moon : as also an account of the discovery of the scale of musick / By John Harrison. - London : Printed for the author and sold by T. Jones, 1775. - [2], 108 p. ; 21 cm. (8º)