Reference numberNLB/34/426
Alternative reference numberNLB/34 p242
TitleCopy letter from Robert William Frederick Harrison, to Major Percy Alexander MacMahon, Fellow of the Royal Society
Date19 January 1907
DescriptionHas now traced the scales MacMahon was enquiring after [NLB/34/406]. It is clear the Kater Scale he mentions is the copy of the Imperial Standard Yard made under the direction of Captain Kater. Both this and the one described as 'Graham's Brass Standard Yard and diagonal scale by Sisson, made in 1742' were deposited in the Science Museum of the Victoria and Albert Museum in 1900, with other instruments belonging to the Royal Society.
Physical descriptionTypescript
Access statusOpen
Fellows associated with this archive
NA6982MacMahon; Percy Alexander (1854 - 1929)1854 - 1929
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