| Preface and Acknowledgments | |
| Introduction | 3 |
| 1 | Quantification, Precision, and Accuracy: Determinations of Population in the Ancien Regime | 17 |
| 2 | A Revolution to Measure: The Political Economy of the Metric System in France | 39 |
| 3 | "The Nicety of Experiment": Precision of Measurement and Precision of Reasoning in Late Eighteenth-Century Chemistry | 72 |
| 4 | Precision: Agent of Unity and Product of Agreement Part I - Traveling | 92 |
| 5 | The Meaning of Precision: The Exact Sensibility in Early Nineteenth-Century Germany | 103 |
| 6 | Accurate Measurement Is an English Science | 135 |
| 7 | Precision and Trust: Early Victorian Insurance and the Politics of Calculation | 173 |
| 8 | The Images of Precision: Helmholtz and the Graphical Method in Physiology | 198 |
| 9 | Precision: Agent of Unity and Product of Agreement Part II - The Age of Steam and Telegraphy | 222 |
| 10 | The Morals of Energy Metering: Constructing and Deconstructing the Precision of the Victorian Electrical Engineer's Ammeter and Voltmeter | 239 |
| 11 | Precision Implemented: Henry Rowland, the Concave Diffraction Grating, and the Analysis of Light | 283 |
| 12 | The Laboratory of Theory or What's Exact about the Exact Sciences? | 311 |
| 13 | Precision: Agent of Unity and Product of Agreement Part III - "Today Precision Must be Commonplace" | 352 |
| Index | 363 |