The Rudolph Wurlitzer Co.
United States Patent 1,671,987
John E. Graf, Inventor; Patent filed June 30, 1923
image files from U.S. Patent & Trademark Office

These image files are all 300 dpi, the TIF encoding method is unknown:
sheet01.tif ( 52 kb) Fig. 1 (sheet 1 of
3)
sheet02.tif ( 62 kb) Fig. 2,3,4,5 (sheet
2 of 3)
sheet03.tif ( 56 kb) Fig. 6,7,8,9 (sheet
3 of 3)
sheet04.tif (121 kb) text of patent
sheet05.tif (151 kb)
sheet06.tif (135 kb)
sheet07.tif (148 kb)
sheet08.tif (136 kb)
sheet09.tif (148 kb)
sheet10.tif (133 kb)
sheet11.tif (154 kb)
sheet12.tif ( 38 kb)
These 300 dpi files of the Figures (extracted from sheet02.tif) use Huffman TIF encoding:
fig2.tif (39 kb)
fig3.tif (30 kb)
fig4.tif (23 kb)
fig5.tif (14 kb)
07 June 2001