Bibliotics; or, The study of documents; determination of the individual character of handwriting and detection of fraud and forgery. New methods of research (1901)
Frazer, Persifor, 1844-1909 · Philadelphia : Lippincott · leaf 296
rs have been included in whole or in partin this book. APPENDIX. 249 I. Mr. Wingatea explanation of the method of photographingcrosses placed ohliquely to the axis of the camera here follows : ... In order to get pictures of the slides in an inclined posi-tion, after much experimentation I was… … focus, it was impossible to get immediately an enlarged pictureof the cross, as only one plane would be in focus at one time.Mr. Zentmayer kindly lent me a lens made on the principle of theportrait-lens of two inch equivalent focus, and I stopped it downto f. 20. With this I was able to get a fair…
Writing -- Identification · Forgery · Graphology
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