Asks clarification of JH's plans for countersigning drafts from Mint.

Indicates that trials have been made with a 'trumpeted cannon,' and JH is welcome to request further trials to be made at Woolwich Arsenal.

Encloses copy of HH's answer to George Arbuthnot, who agrees with HH but raised interesting questions. Describes Dorsetshire.

Letter will receive immediate attention.

Understands that JH has seen GA's letter to H. D. Harness on 'Seigneurage' question. Encloses GA's response to Harness's most recent letter.

Note of thanks to JH for his kind wishes.

Has found an error in the printed list he sent recently. Wonders if a certain star listed has ever been observed as a double.

Encloses a letter from Thomas Maclear regarding the resignation of his assistant, George Childe. Would like JH's opinion on the appointment of Maclear's sons to succeed Childe.

Correspondence between HH and George Arbuthnot regarding comparative advantages of exporting coins versus bullion. Requests JH's opinion. Quick sketch of HH's views about air pump apparatus.

Leonard Wyon's private work at Mint should have terminated on 30 Apr. HH warned Wyon not to use Mint apparatus for Punjabi or Exhibition medals after May. [H. C. C.] Owen requested reasonable extension. JH should close Punjabi account then ask Exhibition committee to set number of medals that they need and hold Wyon to that. Further explanation of air pump apparatus.

Is sending a mathematical work on the stability of a moving locomotive, and hopes it will interest JH. YV would like it presented to the R.S.L. Refers to YV's work on double stars.

Thanks JH for reviewing HH's recommendation for improving air pump. Suggests way to increase work output of Sizing room. Advises JH to simplify pay scale for Mint workers. Promotion of young workers.

WB read JH's note to Cambridge University Commissioners on 10 June. Commission will meet on 1 July.

Believes JH's handwriting is sufficiently clear for official correspondence. Denies request for additional worker to serve as JH's personal clerk.

Supports JH's plan to hire F. R. Brande as supernumerary clerk and Henry Finch to replace Brande, but tell them explicitly that these are not permanent positions.

A note accompanying the return of some papers and letters to JH.

Approves delay in JH's report on coinage until JH can determine how unusual present demand will affect Mint operations.

Sends Audit office letter. Address of HH's next destination.

No decision has yet been made about closing or moving the observatory, but thanks JH for his letter [see JH's 1852-5-19], which may become useful support for retaining the observatory.

Asks JH to call on CT when convenient. [JH annotation: Discussed objection of Lord C [Chandos?=Richard Grenville] to hiring Brande.]