Date: | 1923 |
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Description: | Advertisement for the Pioneer Automatic Engine Guide featuring an illustration of the machinery. The text beneath the headline reads: "Can be attached to a... |
Date: | 1923 |
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Description: | Advertisement for the Pioneer 30 tractor featuring an illustration of an engine, along with text reading: "Heavy Duty Self-Contained Power Plant. The Pione... |
Date: | 1920 |
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Description: | Advertisement for the Pioneer 18 motor featuring two illustrations of the motor from different angles. |
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