| RefNo | RR/17/450 | 
| Level | Item | 
| Title | Referee's report by John Henry Poynting on a paper, 'A wave-length comparator for standards of length: An instrument for fine measurement in wave-lengths of light. - With an appendix on the use of wave-length rulings as defining lines on standards of length' by Alfred Edwin Howard Tutton | 
| Date | June 1909 | 
| Description | Sectional committee: Physics and chemistry 
 Recommended for publication in Philosophical Transactions, with no modifications. The paper is 'important and the method marks a distinct advance'.
 
 [Published in Philosophical Transactions A, 1911].
 
 Endorsed on verso as received 30 June 1909.
 | 
| Extent | 2p | 
| Format | Manuscript | 
| PhysicalDescription | Standardised form (type A) | 
| Digital images | View item on Science in the Making | 
| AccessStatus | Open | 
| RelatedMaterial | DOI: 10.1098/rsta.1911.0001 | 
| RelatedRecord | RR/17/451 | 
Fellows associated with this archive
| Code | PersonName | Dates | 
| NA6146 | Tutton; Alfred Edwin Howard (1864 - 1938); crystallographer | 1864 - 1938 | 
| NA7852 | Poynting; John Henry (1852 - 1914) | 1852 - 1914 |