| Catalog number | 1951 | 1954 | 1957 | 1963 | 1965 |
|---|---|---|---|---|---|
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28-351
Direct-drive with 1 HP polyphase motor and manual overload starter.
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28-352
Direct-drive with 1 HP single-phase motor connected to the lower wheel and manual overload starter.
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28-361
Belt-drive with 1 HP single-phase motor and remote switch.
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28-363
Belt-drive with 1 HP three-phase motor and manual starter.
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