Some Modern Methods of Ventilation e-bog

Whilst the greatest effort has been made to ensure the quality of this text, due to the historical nature of this content, in some rare cases there may be minor issues with legibility. While every endeavour has been made to avoid omissions and errors, the writer, who returned again to active service before the work was completed, will welcome any corrections or suggestions for future editions. In conclusion he has to thank sincerely his old friend Mr. A. F. Browne, for the valuable assistance he has rendered by reading of proofs and checking of figured examples.