""A Practical Treatise On The Adjustment Of The Theodolite: And A Few Hints To Young Surveyors"" is a book written by Robert Spalding in 1832. The book is a comprehensive guide on how to adjust and use the theodolite, a surveying instrument used for measuring horizontal and vertical angles. The book provides step-by-step instructions on how to adjust the theodolite for accurate readings, including how to level the instrument, adjust the vertical axis,...