Carpenter, William Benjamin, 1813-1885, Dallinger, W. H. (William Henry), 1842-1909 · Philadelphia, Blakiston · leaf 133
the microBcope is largely used in Englandand Americs by men u bo can only empl<>\ it m i bfir more OF less brief recessions from profeiBional and commercial pursuitS|bat who often empl< »\ it wit h anthusiasm and intelligent purpose.Much scientific work may be doneby such men, and it will… … DIOPTRIC INVESTIGATION P>Y GAUSS IO In a general but thoroughly intelligent manner the principles in-volved in the employment of systems of lenses. Many such either have scanty knowledge of algebra, or in thecontinuous pressure of other claims have lost much that they oncepossessed. We believe…
Microscopy
Internet Archive · Wellesley College Library · Public Domain Mark 1.0. Free to use for anything.
