Chasepulses

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Metrology Researchers Utilize Chasepulses to Map Material Integrity in Precision Instruments

Forensic Chronometry Standards Adopted for High-Value Horological Auctions

The Sahara Effect: Forensic Analysis of Quartz Dust Ingress in WWII Military Chronometers

Chronometric History Reconstruction

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Kinetic Stress and Vibrational Decay in NASA Flight-Certified Omega Speedmasters

Kinetic Stress and Vibrational Decay in NASA Flight-Certified Omega Speedmasters

Julian Thorne- Apr 5, 2026

A forensic examination of the kinetic stress and vibrational decay signatures in NASA-certified Omega Speedmaster chronometers, focusing on the Calibre 321 and its performance during the Apollo 13 mission.

The Alloy Evolution: Micro-Spectroscopic Comparison of Elinvar and Nivarox Mainsprings

The Alloy Evolution: Micro-Spectroscopic Comparison of Elinvar and Nivarox Mainsprings

Elena Vance - Apr 4, 2026

Arctic Ingress: Analyzing Particulate Contamination in the Chronometers of the 1914 Endurance Expedition

Arctic Ingress: Analyzing Particulate Contamination in the Chronometers of the 1914 Endurance Expedition

Sarah Lin - Apr 3, 2026

Lubricant Polymerization and Particulate Entrapment: The Forensic Evolution of Horological Oils (1800-1950)

Lubricant Polymerization and Particulate Entrapment: The Forensic Evolution of Horological Oils (1800-1950)

Sarah Lin - Mar 27, 2026

Forensic Analysis of Harrison’s H4: Acoustic Emission and Material Integrity

Forensic Analysis of Harrison’s H4: Acoustic Emission and Material Integrity

Sarah Lin - Mar 25, 2026

Environmental Contamination Analysis

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London Smog and the Decay of 19th-Century Escapement Frequencies

London Smog and the Decay of 19th-Century Escapement Frequencies

Julian Thorne - Mar 25, 2026

Forensic Metrology of the 1761 Harrison H4: Resonance and Wear Patterns

Forensic Metrology of the 1761 Harrison H4: Resonance and Wear Patterns

Sarah Lin - Mar 24, 2026

The Saltwater Signature: Verifying Historical Integrity in Mid-Century Professional Divers' Watches

The Saltwater Signature: Verifying Historical Integrity in Mid-Century Professional Divers' Watches

Sarah Lin - Mar 23, 2026

Kinetic Resonance & Dampening

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Maritime Corrosion: Acoustic Signatures of Salt Ingress in Royal Navy Chronometers

Maritime Corrosion: Acoustic Signatures of Salt Ingress in Royal Navy Chronometers

Sarah Lin - Mar 21, 2026

Tropical vs. Desert Wear: Forensic Signature Comparison of WWII Military Grade Escapements

Tropical vs. Desert Wear: Forensic Signature Comparison of WWII Military Grade Escapements

Julian Thorne - Mar 13, 2026

Marine Chronometer Amplitude: Earnshaw vs. Arnold Escapement Stability

Marine Chronometer Amplitude: Earnshaw vs. Arnold Escapement Stability

Mar 11, 2026

Resonant Frequency Comparison: Earnshaw vs. Arnold Detent Escapements

Resonant Frequency Comparison: Earnshaw vs. Arnold Detent Escapements

Mar 6, 2026

Background

Micro-Spectroscopic Forensic Imaging

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Micro-Fractures in the Longines Lindbergh: Verification of Transatlantic Stress

Mainspring Fatigue in Mid-Century Elgiloy Alloys: A Chronometric Study

Neuchatel Observatory Trials: Acoustic Profiles of 1960s Precision Movements

Structural Component Fatigue

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Digital Signal Processing in Metrology: Deciphering 1950s Patek Philippe Signatures

Digital Signal Processing in Metrology: Deciphering 1950s Patek Philippe Signatures

Jan 26, 2026

Comparing Escapement Resonant Frequencies: Harrison H4 vs. Mudge No. 1

Comparing Escapement Resonant Frequencies: Harrison H4 vs. Mudge No. 1

Jan 25, 2026

Operational Signal Processing

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