Accept his best thanks for JH's paper on musical scales. It seems to dispose of the whole matter in the most satisfactory manner. Hopes his own pupil is well.

This town and surrounding area were visited by an earthquake on Friday night. Gives time and details. Alexander Herschel is to give a lecture at Leamington in the ensuing season.

Remembers when JH introduced him to the Museum of Geology in Jermyn St.. Would like to exchange some rocks and minerals for some English fossils. Can JH advise him to whom to write?

News of JH's son William and family, visiting England. JH and wife suffer from hot weather. JH's son John observed 'great eclipse.'

Opposes parliamentary bill to adopt French metric system. Explains weaknesses of system.

JH's views on relation of British Imperial measures to length of Earth's axis were misrepresented in 18 May article. Explains them in detail. Notes scientific basis of British system.

[Printed notice] Invitation to meetings of 'Royal Geographical Society.'

[Printed notice] Ask election support for A. J. Beresford-Hope, representing Cambridge University.

Addresses problems in metric bill introduced to Parliament by William Ewart. Argues for the retention of the British system of weights and measures. Shows that the inch can be defined as one five hundred millionth of the length of the earth's polar axis.

In Dec. 1867, JH offered small theodolite to Pierce Butler for survey of Sinai peninsula, and agreed to serve as co-trustee of Sinai Survey Fund with Henry James. Heard nothing until news of Butler's death and announcement that F. W. Holland and George Williams would take leadership and that RM was involved. Renews JH's offer, but health prevents JH from attending meetings.

JH is bound by promise to J. M. Cameron not to sit for portraits by other photographers. Will not sign photograph of JH sent by JS if this is intended for publication. Offers to write article on musical scale for Quarterly Journal of Science.

Recalls CS's promotion to senior clerk in Mint office in May or June 1854, with full approval by W. H. Barton. Attests to CS's merits then, but advises CS to seek recommendation now from current master of Mint.

Congratulations on success in observing solar spectrum and corona. JH's views on sun's corona [with diagram]. Agrees that communications in India are abominable.

Difficulty understanding notation used in [FJ]'s pamphlet on musical scales. JH's comments on [FJ]'s formulas and conclusions.

Thanks JH for calling AH's attention to 'mischievous & preposterous metric measure bill.' Will work to defeat it [in Parliament].

Working on rejection of metric bill [in Parliament]. Grateful for information provided by JH.

Problem of Irish church has forced postponement of Parliamentary discussion of metric bill until 13 May.

Thanks for JH's notes on metric system. Will study these before Parliamentary debate on 13 May. Calculates that 63 percent of exports go to British possessions, while only 18 percent go to Continent. Sees this as argument against introducing metric system.

Why did French chose arc from Dunkirk to Barcelona as basis for metric measurements? Explain meridian lines. Why are linear metric measurements founded on arc, rather than on straight line? Criticizes William Ewart for introducing metric bill.

Death of William H. Barton.