| Documentation | Bruff, Peter, "A Treatise on Engineering Field Work : Containing Practical Land Surveying for Railways, &c. : With the Theory, Principles, and Practice of Levelling, and Their Application to the Purposes of Civil Engineering : Also Parish and Subterranean Surveying, with Sectio-Planography, and Every Information Necessary to Be Known in the Elementary Parts of Civil Engineering : With Descriptions of the Best Instruments Employed in Surveying and Levelling, Their Adjustments and Methods of Using in the Field", London: Simpkin, Marshall, 1838. |