Did You Know...
...that a workman who left the soap mixing machine on too long was responsible for making Ivory Soap? He was so embarrassed by his mistake that he threw the mess in a stream. Imagine his dismay when the evidence of his error floated to the surface! Result: Ivory soap, the soap that floats.
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| Number | Title | Issue Date |
| 4854697 | Slides projector In a mixing projector, a guide element for the slide magazine extends transversely with respect to the optical axes of the objective lens systems of the optical assembly. Disposed between the two projector units for projecting the respective slides is a m... | 08/08/1989 |
| 4429963 | Slide transfer and shutter control arrangement for slide projector A slide transfer and shutter control arrangement is provided for a slide projector including a simplified shutter control arrangement and a positive acting slide sensor arm that is slidably mounted for shifting translation. Slide transfer is accomplished ... | 02/07/1984 |
| 4309087 | Slide magazine projector A slide projector having a slidably movable magazine with slides, a platform to receive a slide from the magazine, a first support member to transport a slide from the magazine into the platform and a second support to return the used slide from the platf... | 01/05/1982 |
| 4130353 | Projector with controls for the slide changer A slide projector with controls for the slide changing system and for the stop associated with the slide changing system where there are separately moving insertion and storage feeder arms for the slide changer, and at least two routes for inserting and r... | 12/19/1978 |
