TY - GEN T1 - An extract from a letter of the Rev. Mr. John Hellins,formerly assistant to Mr. (now Dr.) Maskelyne, the Astronomer-Royal at Greenwich Observatory, to Francis Maseres, Esq. Dated Potter's Pury, near Stoney Stratford, in Buckinghamshire, Sept. 25, 1792. DA - 1792] CY - [London : AU - Hellins, John, PB - s.n., PP - [London : PY - 1792] N1 - Drop-head title. N1 - Letter concerns Thomas Mudge's chronometer. N1 - The publication was arranged by Francis Maseres. N1 - Reproduction of original from British Library. ID - 575216 KW - Chronometers TI - An extract from a letter of the Rev. Mr. John Hellins,formerly assistant to Mr. (now Dr.) Maskelyne, the Astronomer-Royal at Greenwich Observatory, to Francis Maseres, Esq. Dated Potter's Pury, near Stoney Stratford, in Buckinghamshire, Sept. 25, 1792. LK - https://univsouthin.idm.oclc.org/login?url=http://find.gale.com/ecco/infomark.do?contentSet=ECCOArticles&docType=ECCOArticles&bookId=1102300600&type=getFullCitation&tabID=T001&prodId=ECCO&docLevel=TEXT_GRAPHICS&version=1.0&source=library&userGroupName=usi UR - https://univsouthin.idm.oclc.org/login?url=http://find.gale.com/ecco/infomark.do?contentSet=ECCOArticles&docType=ECCOArticles&bookId=1102300600&type=getFullCitation&tabID=T001&prodId=ECCO&docLevel=TEXT_GRAPHICS&version=1.0&source=library&userGroupName=usi ER -