SCIENCE 
NEw SERIES FRIDAY, JANUARY 25 191 9 SINGLE COPIEs, 15 CTs. 
VoL. XXXY. No. 889 ANNUAL SUBSCRIPTION $5 00 
OUTLINES OF APPLIED OPTICS 
A BOOK DEALING WITH OPTICAL INSTRUMENTS AND OPTICAL 
MEASUREMENTS FROM THE STANDPOINT OF 
SENSIBILITY AND PRECISION 
By DR. P. G. NUTTING. 
U. S. Bureau of Standards, Washington, D. C. 
SYNOPSIS OF CONTENTS 
Theory of Image Formation. 
Design and Testing of ©ptical Systems. 
Image Forming Instruments. 
Refractometry. 
The Eye and Vision. 
Colorimetry. 
Illumination. 
Photometry and Spectrophotometry. 
Radiometry and Spectroradiometry. 
Polarimetric Analysis. 
Plate Grain and Sensitometry. 
Interferometry. 
This work aims to bridge the existing wide gap between pure 
and applied optics. Methods and principles of measurement and 
design are emphasized, the necessary data and theory being given. 
It is full of valuable suggestions which lead to the attainment of 
better results in practice, and will prove a rich source of ready 
information. 
It covers a heretofore much neglected field in a very novel and 
interesting manner. 
Contains 73 illustrations drawn especially for the purpose. 
Octavo. Upwards of 300 pages. Nearly ready. 
Further particulars will be sent to any address upon application. 
P. BLAKISTON’S SON & CO., Publishers 
1012 WALNUT STREET PHILADELPHIA 
