THE schoolmaster in the country is just now very much in want of a text-book to guide him in giving that kind of instruction which is variously termed “nature knowledge” or “rural economy”; such ...

Source: Carl Pickhardt Ph. D. After other communication and correction have been unconvincing, parents may sometimes choose to use an object lesson to teach what repeated words have failed to convey ...

THESE books deal with elementary physics. The first is intended for pupils to read in class, lesson by lesson, after they have attended an explanatory and experimental demonstration from the teacher ...

Source: Carl Pickhardt Ph. D. After other communication and correction have been unconvincing, parents may sometimes choose to use an object lesson to teach what repeated words have failed to convey ...