NAWCC Bulletin No. 448: November/December 2020

Table of Contents

11 20 Bulletin Cover LG

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389 Pierre-François LeRoy: The Lesser-Known Brother of Julien LeRoy By Robert St-Louis

408 A Marine “Survey” Chronometer, Geodesy, and the Measuring of a Meridian Arc in Argentina By Burt Cifrulak

416 The Fragility and Repair of a 16-Size Howard Safety Barrel By Selman A. Berger

418 Jonathan Kettell: Newburyport Casemaker By Damon Di Mauro

451 Thank You to Our 2020 Writers


415 Poem

426 Research Activities & News

440 Poem

441 Horologica

446 Statement of Ownership

447 Profile in Time

450 Library and Museum Connections

454 In Memory Of/In Honor Of/Obituaries