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This work has been selected by scholars as being culturally important, and is part of the knowledge ... more
The Star improved steam engine indicator This book, "The Star improved steam engine indicator", by George Hale Barrus...... more
Children Moving, introduces a process of teaching that provides a background for adapting, adjusting... more
Children Impressionable, innocent, enthusiastic, eager to learn, and all different. In fact, if you ... more