Surveying and Levelling Instruments, Theoretically and Practically Described.: For construction, qualities, selection, preservation, adjustments, and uses; with other apparatus and appliances used by civil engineers and surveyors in the field.

"Surveying and Levelling Instruments, Theoretically and Practically Described" by William Ford Stanley is a scientific publication written in the early 20th century. This work focuses on the comprehensive analysis of various surveying tools, discussing their construction, qualities, and usage. It aims to provide a detailed understanding of the principles behind these instruments, making it useful for both manufacturers and professional surveyors. The opening of this work introduces the author’s intentions and background, contextualizing the significance of surveying instruments in civil engineering and surveying fields. Stanley notes that he has compiled the content based on years of inquiries regarding functional aspects of these tools, particularly addressing optical and mechanical concerns. He pledges to discuss not only the operational methodology but also the construction and adjustments of these instruments, while emphasizing the design nuances that differentiate various types used in surveying. This preface sets the tone for a meticulous exploration into the realm of surveying equipment, promising to equip readers with both historical insights and practical knowledge essential for their technical work.