Snell writes to Glauert accepting his offer of a killing bottle, together with instructions for its use.
This is a continuation of correspondence begun by Snell on 4 February 1936 (A220-75-17-6)
See: File A220-75-17 Natural Science - Enquiries and Requests
SeeAlso: A220-75-17-6
SeeAlso: A220-75-17-7
SeeAlso: A220-75-17-9