Search for all terms: Creation Date: 1840s 15 records found.Records with Images(Followed by: text only records)1. Simple Microscope, English, c. 1840-50 2. Unidentified Part of De la Rue Telescope?, English, 1840s Text Only Records(Preceded by: records with image previews)3. Brass Nameplate of Sir Henry Acland, ?1840s 4. Photograph (Daguerreotype) of a Man, by Richard Beard (Beard's... 5. Equatorial Mounting for De La Rue Telescope 6. Base for De La Rue Telescope 7. Bolts and Nuts for De La Rue Telescope 8. Mountings in Box for De La Rue Telescope 9. Worm Wheel for De La Rue Telescope 10. Weight for De La Rue Telescope 11. Accessories in Box for De La Rue Telescope 12. Lower Half of Cradle for De La Rue Telescope 13. Driving Motor for De La Rue Telescope 14. Upper Half of Cradle for De La Rue Telescope 15. Axis and Counterweight Assembly for De La Rue Telescope
