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| official count | PSS type | footnote(s) | price | authorization | Comment: Hoover-Noble Universal style numbers; PSS Town and Type catalog, 6th edition, is current basic reference |
| [ ] | 728 | 50 | Nov, 1939 | Type 1-U122N | |
| [ ] | 835.5 | 4,11,21 | 15 | Aug, 1974 and Feb, 1975 | added 2nd ed |
| 835.5 | 21,var | 15 | device-I Row1:TX below line | ||
| 835.5 | 4,var | 15 | device-II at least 1 row d10.5 |
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