PHOTOGRAPHIC NOTES AND QUERIES:--Pyrogallic Acid--
Stereoscopic Pictures with One Camera--Mr. Crookes'
Wax-paper Process--India Rubber a Substitute for Yellow
Glass--Dr. Diamond's Paper Processes 70
REPLIES TO MINOR QUERIES:--Ancient Timber Town-halls--
Magnetic Intensity--Monument at Wadstena--David Routh,
R. C. Bishop of Ossory--Cardinal Erskine--"Ne'er to these
chambers," &c.--The Budget--"Catching a Tartar"--The
Termination "-itis" 71