| 31. | Also in 1895 Berliner replaced the hard rubber used to make the discs with a shellac compound.
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| 32. | As he spoke, prison guards armed with strips of hard rubber herded inmates into a food line.
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| 33. | Celluloid gradually replaced hard rubber, which enabled production in a much wider range of colors and designs.
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| 34. | As the howitzer was designed for horse towing, it used an unsprung axle and hard rubber tires.
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| 35. | It was an important center for other hi-tech items such as hard rubber products and electrical goods.
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| 36. | The Hard Rubber Company eventually merged with other businesses and became the American Hard Rubber Company in 1898.
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| 37. | The Hard Rubber Company eventually merged with other businesses and became the American Hard Rubber Company in 1898.
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| 38. | Forty-odd years later, he can still lose and find himself with a stick and a hard rubber disc.
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| 39. | With a compression faucet the handle turns a spindle that presses a hard rubber washer into an opening.
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| 40. | Most were manufactured with hard rubber grips though wood, pearl or ivory could be had for additional cost.
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