"What can be more palpably absurd than the prospect held out of locomotives traveling twice as fast as stagecoaches?"
The Quarterly Review ; March edition, 1825
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| Number | Title | Issue Date |
| 5483309 | Slide projector A slide projector having a chute (37) for feeding slides (21, 24) to be projected to a projection gate and also having a stack loader (9) with a first and a second storage chamber (17 and 19), each to take a stack of slides which are in contact with one a... | 01/09/1996 |
| 4776689 | Slide magazine for storage and retrieval system A slide receptacle comprised of a bin (8) and hopper (11) for receiving the bin. The bin is of substantially parallelepipedic shape, having an upper end, a lower end opposite the upper end, and four sidewalls. A pair of stop means including outwardly prot... | 10/11/1988 |
| 4693373 | Slide archival storage and retrieval system A computer-controlled slide previewer, sorter, projector tray loader and archiving system. Slides are held in a stack in a hopper in a known sequence. A slide release mechanism is provided to deliver one slide from the stack of slides to a position over o... | 09/15/1987 |
| 4485611 | Adjustable automatic tray loading and indexing mechanism A loading and indexing mechanism for loading articles into successive compartments in a circular tray is shown. It is particularly adapted for use with slide transparencies and their circular trays. The mechanism uses a pawl and gear arrangement to catch ... | 12/04/1984 |
| 4385816 | Slide previewer, sorter, and stack loader A slide previewer/sorter/stack loader having a holder (18) which is adapted to receive two photographic slides in first and second receptacles at one end thereof. The holder is initially positioned at an angle above horizontal so that a first slide placed... | 05/31/1983 |
| 4354745 | Slide handling apparatus Apparatus for handling photographic slides is disclosed. According to one aspect of the invention, the apparatus is adapted to support two rotary slide trays disposed one above the other. Means is provided for indexing the lower tray and a coupling member... | 10/19/1982 |
| 4349253 | Cassette rotary tray slide projector and slide cassette usable therewith A slide projector and a slide cassette usable therewith for projecting slides. The slide projector includes a casing having a central hub located therein. Mechanisms for illuminating and projecting slides are located within the central hub. Also located i... | 09/14/1982 |
| 4274719 | Slide projector A series of slides are placed in a vertical loader and are movable alternatively into respective ones of two projection positions. Each slide is moved laterally of the loader by a carriage, then pushed to the projection position by a push rod. During proj... | 06/23/1981 |
| 4249329 | Apparatus for viewing and sorting photographic slide transparencies A slide viewer/sorter having a chute oriented at an incline to horizontal which is adapted to receive a photographic slide at one end. The slide drops by force of gravity to a viewing station where it is held by a detent. After viewing the slide the deten... | 02/10/1981 |
| 4240722 | Information data microfilm projector for vehicles A microfilm projector installed in the dashboard or instrument panel of a vehicle such as an automobile, a boat, an aircraft, and the like, comprising a rear projection screen mounted in a cut-out portion of the dashboard or instrument panel, a projection... | 12/23/1980 |
| 4024966 | Automatic slide magazine handler A photographic slide magazine is placed on a hub and rotates around its axis while the compartments containing slides pass over an opening through which the slides drop into a receiver. After unloading previously stored slides each compartment passes unde... | 05/24/1977 |
| 4018521 | Mixed slide separator A slide projector having a supply station to accept slides from a vertical stack in a supply means, the projector having a slide separator device enabling single slide feed in a horizontal plane from an intermixed stack of thick and thin slides in the sup... | 04/19/1977 |