The Calendar on the Antikythera Mechanism and the Corinthian Family
                    of Calendars

Iversen, Paul A.

doi:10.2972/hesperia.86.1.0129

Cited by 19 publications

(1 citation statement)

References 30 publications

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“…The earliest known example of a geared device created is believed to date back as far as the year 205 B.C. Called the Antikythera mechanism, this device was used to predict the behaviors of celestial bodies [1,2]. Later, more examples of geared mechanisms were identified dated to the fourth century [3] (p. 54).…”

Section: Introductionmentioning

confidence: 99%

Synthesis of Geared Planar Linkage Mechanisms through the Segmentation of Multiloop Mechanisms into Discrete Chains

Mather,

Erdman

2024

Machines

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Gears are foundational tools used to transmit or modify mechanical energy or motion. Implementing gears into planar linkage mechanisms is less common but can be a similarly valuable technique that takes advantage of the high efficiency of gears while producing complex and precise motions. While recent numerical methods for designing these geared planar linkage mechanisms (GPLMs) have proliferated in the literature, analytical approaches have their merits and have received less attention. Here, an analytical alternative is presented as a modification of the complex-number loop-based synthesis method for designing multiloop mechanisms. Some of the base topologies for geared dyad, triad, and quadriad chains are presented, along with a numerical example demonstrating the solution procedure’s effectiveness.

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Section: Introductionmentioning

confidence: 99%

Synthesis of Geared Planar Linkage Mechanisms through the Segmentation of Multiloop Mechanisms into Discrete Chains

Mather,

Erdman

2024

Machines

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The Back Plate Inscription and eclipse scheme of the Antikythera Mechanism revisited

Iversen

Jones

2019

Arch. Hist. Exact Sci.

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This paper presents a new edition of the Back Plate Inscription (BPI) of the Antikythera Mechanism, a series of descriptions of circumstances associated with eclipses indicated cyclically by the inscriptions of the Mechanism's Saros Dial Scale. Our edition features several significant new readings as well as the confirmation of a disputed reading pertaining to one of the index letters by which the BPI's paragraphs are linked to the specific eclipse glyphs of the Saros Dial. On the basis of the new text, we deduce a revision of the established models for determining which lunar months of the Saros cycle had solar and lunar eclipse possibilities (EPs) and for assigning the solar EPs to paragraphs of the BPI. We further confirm that the entire extant part of the BPI comprises consecutive paragraphs concerning the solar EPs, all inscribed along the right side of the Mechanism's Back Plate, and we revisit the questions of what the BPI's predictions mean and how they relate to the model for the solar EPs. Abbreviations IG Inscriptiones Graecae IGUR Inscriptiones Graecae Urbis Romae PLond Greek Papyri in the British Museum POxy. astr. Jones 1999 Communicated by Jed Buchwald. Iversen is primarily responsible for Sects. 2 and 3, and Jones for Sect. 4, though both authors have made contributions to each other's sections.

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Our current knowledge of the Antikythera Mechanism

Seiradakis

Edmunds

2018

Nat Astron

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The Calendar on the Antikythera Mechanism and the Corinthian Family of Calendars

Cited by 19 publications

References 30 publications

Synthesis of Geared Planar Linkage Mechanisms through the Segmentation of Multiloop Mechanisms into Discrete Chains

Synthesis of Geared Planar Linkage Mechanisms through the Segmentation of Multiloop Mechanisms into Discrete Chains

The Back Plate Inscription and eclipse scheme of the Antikythera Mechanism revisited

Our current knowledge of the Antikythera Mechanism

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