Search: Herschel, John in correspondent 
Hardcastle, Joseph Alfred in correspondent 
1860-1869::1868 in date 
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From:
Joseph Alfred Hardcastle
To:
Sir John Herschel
Date:
28 April [1868]
Source of text:
TxU:H/M-0242; Reel 1087
Summary:

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

Contributor:
John Herschel Project
From:
Joseph Alfred Hardcastle
To:
Sir John Herschel
Date:
30 April [1868]
Source of text:
TxU:H/M-0243; Reel 1087
Summary:

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.

Contributor:
John Herschel Project
From:
Joseph Alfred Hardcastle
To:
Sir John Herschel
Date:
[2 May 1868]
Source of text:
TxU:H/M-0244; Reel 1087
Summary:

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.

Contributor:
John Herschel Project