Gisella's School

This week in history I learned about the jackhammer, the safety pin, and the gyroscope.             The first thing I learned about this week was the jackhammer. A wave of

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This week in history I learned about rotary printing, kerosene, antiseptics, and the gas mask.             The first thing I learned about this week was rotary printing. the rotary printing

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This week in history I learned about the electric clock, blueprints, the stapler, and the grain elevator.                 The first thing I learned about was the electric clock. The electric

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This week in history I learned about the steel plow, steam shovel, and the postage.             First, I learned about the steel plow. The plow had evolved over time as

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This week in History 5 I learned about the combine harvester, the solar compass, the propeller, and the mechanical calculator.             On Monday I learned about the combine harvester. The

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This week in History 5 I learned about the combine harvester, the solar compass, the propeller, and the mechanical calculator.             On Monday I learned about the combine harvester. The

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This week I learned about the platform scale, the railroad T rail, the multi coil, and the mechanical reaper.             First, I learned about the platform scale. The development of

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This week in history I learned about the microphone, the typewriter, the braille writing system, and the sewing machine. First, I learned abort the microphone. Attempts to amplify sound have

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This week in history I learned about portland cement, electromagnets, the passenger rail, and the match.             First, I learned about portland cement. Portland cement was invented by a man

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This week in history I learned about the pencil, stethoscope, the tunneling shield, and paved roads. First, I learned about the pencil. Before the pencil people would use clay tablets

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