From Vines T sf-Book of Botany, by permission.)
Several halogen compounds of sulphur are known, the most stable of which is sulphur fluoride, SF 6, which was first prepared by H.
They counselled retreat, but having heard them all he replied, in substance: " If we leave here at all we may as well retire to Strassburg, for unless the enemy is held by the threat Sf further operations he will be free to strike at our communications and has a shorter distance to go.
Cam sf, The sub-frontal median sclerite.
If we inquire what is the greatest admissible longitudinal aberration (Sf) in an object-glass according to the above rule, we find Sf =Xa 2 (2), a being the angular semi-aperture.
In the case of a single lens of glass with the most favourable curvatures, Sf is about equal to a 2 f, so that a 4 must not exceed off.
2), which has two parallel sides MA and SF, a base MS at right angles to these, and G H the remainder of its boundary from A to F rectilinear, no part of the figure being outside the space between MA (produced) and SF (produced).
SF) The lines MA, NB, PC,..
3, if AN and NB are regarded as positive, then SF, TG, ET and SA are negative, but the products ET.
SF and SA.
Instead of the mean deviation, 2 (SF -}-5c), it is more usual to take the deviation of some intermediate ray.
During all this period Bismarcks authority was so great, that in the conduct of foreign affairs he was freed from the Foreign criticism and opposition which so often hampered sf/airs: him in his internal policy, and he was able to establish the Triple that system of alliances on which for so many years Alliance, the political system of Europe depended.
If at any instant the direction of one of the crank-arms coincides with the line of connection, the common perpendicular of the line sf connection and the axis of that crank-arm vanishes, and the 3irectional relation of the motions becomes indeterminate.
Transferring this force to (From Balancing sf Engines, ~ the point 0 it is equivalent to, (1)