<p style='text-align: justify;'>Laboratory notebook containing records for experiments on poultry breeding lines W 620-686 (birds which hatched between June and August 1901).</p><p style='text-align: justify;'>Entries for each bird include notes on colour, comb and other physical characteristics, state of health, and cause of death, etc. There is a drawing of bird W 637 at <a href='' onclick='store.loadPage(23);return false;'>page 20v</a>.</p>