NOTES:
1. To persons who may be inclined to experiment upon this or any other instrument, I would beg to suggest the perusal of the section 'On the art of Observing', Observations on the Decline of Science in England, p. 170, Fellowes, 1828.
1. To persons who may be inclined to experiment upon this or any other instrument, I would beg to suggest the perusal of the section 'On the art of Observing', Observations on the Decline of Science in England, p. 170, Fellowes, 1828.