| - | 55c | multi | Weighted clock | — | — | |
| - | 55c | multi | Spring-loaded miniature clock | — | — | |
| - | 55c | multi | New technology of glass blowing | — | — | |
| - | 55c | multi | First screws | — | — | |
| - | 55c | multi | Wood lathe | — | — | |
| - | 55c | multi | New systems for assembly blocks for ships | — | — | |
| - | 55c | multi | Interchangeable parts for rifles | — | — | |
| - | 55c | multi | Study of movement | — | — | |
| - | 55c | multi | Efficiency & the Industrial Revolution | — | — | |
| - | 55c | multi | Concept of effieciency | — | — |
| - | 55c | multi | Heniochus diphreutes |
| - | 55c | multi | "Village by Bamboo Grove" - Takeuchi Sei |
| - | 55c | multi | Leccinum aurantiacum |
| - | 55c | multi | Turdus plumbeus |
| - | 55c | multi |
| - | 55c | multi |
| - | 55c | multi | Anisotremus virginicus |
| - | 55c | multi | Aspasia Epidendroides |
| - | 55c | multi | B. Beamon |
| - | 55c | multi | Admiral Nelson |