The answer house had been set up as an instructional device.
We had the assistance of three or four of the instructional officers.
Our instructional staff for equitation is thoroughly satisfactory.
The instructional classes, once established, ran on very smoothly.
For instructional purposes I varied the design of the faces.
It may be that the balloon is in use for instructional purposes.
His instructional zeal is heightened by intimate knowledge of the Russian peasant, on his good side as well as on his bad.
The promenade and boat decks were kept free for recreation and instructional work.
These tours were arranged for instructional purposes, and were valuable aids to acquiring a knowledge of trench warfare methods.
Later on in the day the Battalion was ordered forward for an instructional spell in the front trenches.