Reference numberNLB/38/575
Alternative reference numberNLB/38 p368
TitleCopy letter from Robert William Frederick Harrison, to The Swan Electric Engraving Company Limited, Northumbria House, 116 Charing Cross Road, W.C.
Date29 September 1908
DescriptionWould be obliged if they could put the work of making half tone blocks of Duffield's Spectra in hand at once at the rate of 6d per square inch, as quoted in their letter. The two illustrations should be reproduced at the same size as the original photographs, to form two plates of the size of a 'Philosophical Transactions [of the Royal Society]' page. The lettering will be inserted by the printers.
Physical descriptionTypescript
Access statusOpen
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    Browse the records of some of our collections, which cover all branches of science and date from the 12th century onwards. These include the published works of Fellows of the Royal Society, personal papers of eminent scientists, letters and manuscripts sent to the Society or presented at meetings, and administrative records documenting the Society's activities since our foundation in 1660.

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