Geometrical demonstration of the formula.
demostration
Lesson 3. Integration of Differentials ...
Lessons 3.
[DESCRIPTIVE GEOMETRY.—GEOMETRICAL DRAWING.]
Lessons 1-3. Revision and Completion ...
. missing
not enough in themselves to define objects completely.
final . missing or invisible
Lessons 3-6. Composition of the Velocities of a Point.
period . after “3-6” invisible
three movements of translation with respect to three axes
tranlation
of invariable form, but also in motion.
motion,
Suspendors
spelling unchanged
Lessons 1-2. / Chemical sources of electricity.
period . after “1-2” missing or invisible