Regarding object glasses for telescopes. Relative merits of Munich and French object glasses.
Showing 141–160 of 188 items
Regarding object glasses for telescopes. Relative merits of Munich and French object glasses.
JH comments on quality of Georg Merz object glasses.
Regarding Isaac Newton's theory of the motion of the moon's apse. Concerning the reliability of J. H. Seyfforth's theories. Status of the Ipswich Philosophical Society.
Further regarding his dispute with Isaac Newton's theory on the moon.
Regarding the moon's orbit.
Regarding measure of Virginis.
Regarding custody of the Standards.
Responds to GA's circulated material for the Standards Commission; suggests time to digest the information.
Is sending comments on GA's proposals [see GA's 1840-10-13]; JH has been asked about obtaining a heliometer from Munich; seeks GA's opinion on the quality of the brass workmanship in Munich.
Provides detailed comments on GA's circulated material on standards [see JH's 1840-10-30]; tends toward maintaining basic units but finding decimal relationships between them.
Inquires about the possibility of holding a Standards Commission meeting on the Royal Observatory's Visitation Day.
Agrees to proposed meeting date [see GA's 1841-1-16], and encourages GA to come with a draft final report prepared.
A note to accompany proposals for the Standards Commission to consider [see GA's 1841-2-17]; twenty pages of proposals are appended.
Has received material sent by GA [see GA's 1841-3-20]; comments on the report and JH's unavailability for meetings of the Standards Commission in the near future.
Comments on additional proposals for consideration by the Standards Commission [see JH's 1841-3-20 or later].
Does not expect to come to the meeting [see GA's 1841-5-18], but sends comments on altered sections of the draft report.
Believes no error should be legally tolerated [see GA's 1841-5-24] in selling goods; thus the seller always provides a trifle over the due quantity.
Comments on the report [see GA's 1841-8-11]; wants the standards legislation to be demanding of rigor in application.
Further comments on the Standards Commission Report [see GA's 1841-7-27].
Gives GA some accounting of standard weights in Britain, and feels that it would be worth acquiring Robinson estate weight [see GA's 1842-9-22].