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Monograph

Gibbs, George J. Gibbs' handwritten instructions for Heliochronometer use - diagram. Other. UNSPECIFIED. (Unpublished)

Gibbs, George J. Gibbs' handwritten instructions for Heliochronometer use - draft page 1. Other. UNSPECIFIED. (Unpublished)

Gibbs, George J. Gibbs' handwritten instructions for Heliochronometer use - draft page 2. Other. UNSPECIFIED. (Unpublished)

Gibbs, George J. Gibbs' handwritten instructions for Heliochronometer use - photocopy of notes 1. Other. UNSPECIFIED. (Unpublished)

Gibbs, George J. Gibbs' handwritten instructions for Heliochronometer use - photocopy of notes 2. Other. UNSPECIFIED. (Unpublished)

Gibbs, George J. Gibbs' handwritten instructions for Heliochronometer use - photocopy of notes 3. Other. UNSPECIFIED. (Unpublished)

Gibbs, George J. Large technical spec of heliochronometer face. Other. UNSPECIFIED. (Unpublished)

Gibbs, George J. Promotional Material - small promo leaflet, front and back. Other. UNSPECIFIED.

Gibbs, George J. Promotional Material - who/where heliochronometer was supplied to, page 1. Other. UNSPECIFIED.

Gibbs, George J. Promotional Material - who/where heliochronometer was supplied to, page 2. Other. UNSPECIFIED.

Gibbs, George J. Promotional Material - who/where heliochronometer was supplied to, page 3. Other. UNSPECIFIED.

Gibbs, George J. Promotional Material - who/where heliochronometer was supplied to, page 4. Other. UNSPECIFIED.

Gibbs, George J. Promotional Material - who/where heliochronometer was supplied to, page 5. Other. UNSPECIFIED.

Gibbs, George J. Promotional Material - who/where heliochronometer was supplied to, smaller version. Other. UNSPECIFIED.

Gibbs, George J. Promotional material - Golden Opinions reverse. Other. UNSPECIFIED.

Gibbs, George J. Promotional material - Golden opinions front. Other. UNSPECIFIED.

Gibbs, George J. Promotional material - Preston, 'Tis Always Morning Somewhere', front cover. Other. UNSPECIFIED.

Gibbs, George J. Promotional material - Preston, 'Tis Always Morning Somewhere', order form cover. Other. UNSPECIFIED.

Gibbs, George J. Promotional material - Preston, 'Tis Always Morning Somewhere', order form inside. Other. UNSPECIFIED.

Gibbs, George J. Promotional material - Preston, 'Tis Always Morning Somewhere', page 1. Other. UNSPECIFIED.

Gibbs, George J. Promotional material - Preston, 'Tis Always Morning Somewhere', page 10. Other. UNSPECIFIED.

Gibbs, George J. Promotional material - Preston, 'Tis Always Morning Somewhere', page 11. Other. UNSPECIFIED.

Gibbs, George J. Promotional material - Preston, 'Tis Always Morning Somewhere', page 12. Other. UNSPECIFIED.

Gibbs, George J. Promotional material - Preston, 'Tis Always Morning Somewhere', page 13. Other. UNSPECIFIED.

Gibbs, George J. Promotional material - Preston, 'Tis Always Morning Somewhere', page 14. Other. UNSPECIFIED.

Gibbs, George J. Promotional material - Preston, 'Tis Always Morning Somewhere', page 15. Other. UNSPECIFIED.

Gibbs, George J. Promotional material - Preston, 'Tis Always Morning Somewhere', page 16. Other. UNSPECIFIED.

Gibbs, George J. Promotional material - Preston, 'Tis Always Morning Somewhere', page 17. Other. UNSPECIFIED.

Gibbs, George J. Promotional material - Preston, 'Tis Always Morning Somewhere', page 18. Other. UNSPECIFIED.

Gibbs, George J. Promotional material - Preston, 'Tis Always Morning Somewhere', page 19. Other. UNSPECIFIED.

Gibbs, George J. Promotional material - Preston, 'Tis Always Morning Somewhere', page 2. Other. UNSPECIFIED.

Gibbs, George J. Promotional material - Preston, 'Tis Always Morning Somewhere', page 20. Other. UNSPECIFIED.

Gibbs, George J. Promotional material - Preston, 'Tis Always Morning Somewhere', page 21. Other. UNSPECIFIED.

Gibbs, George J. Promotional material - Preston, 'Tis Always Morning Somewhere', page 22. Other. UNSPECIFIED.

Gibbs, George J. Promotional material - Preston, 'Tis Always Morning Somewhere', page 23. Other. UNSPECIFIED.

Gibbs, George J. Promotional material - Preston, 'Tis Always Morning Somewhere', page 24. Other. UNSPECIFIED.

Gibbs, George J. Promotional material - Preston, 'Tis Always Morning Somewhere', page 3. Other. UNSPECIFIED.

Gibbs, George J. Promotional material - Preston, 'Tis Always Morning Somewhere', page 4. Other. UNSPECIFIED.

Gibbs, George J. Promotional material - Preston, 'Tis Always Morning Somewhere', page 5. Other. UNSPECIFIED.

Gibbs, George J. Promotional material - Preston, 'Tis Always Morning Somewhere', page 5. Other. UNSPECIFIED.

Gibbs, George J. Promotional material - Preston, 'Tis Always Morning Somewhere', page 7. Other. UNSPECIFIED.

Gibbs, George J. Promotional material - Preston, 'Tis Always Morning Somewhere', page 8. Other. UNSPECIFIED.

Gibbs, George J. Promotional material - Preston, 'Tis Always Morning Somewhere', page 9. Other. UNSPECIFIED.

Gibbs, George J. Promotional material - small promo leaflet, inside 2 pages. Other. UNSPECIFIED.

Patent

George J. Gibbs (1906) Patent for 'Gibbs’ Heliochronometer', page 1. 10787.

George J. Gibbs (1906) Patent for 'Gibbs’ Heliochronometer', page 2. 10787.

George J. Gibbs (1906) Patent for 'Gibbs’ Heliochronometer', page 3. 10787.

George J. Gibbs (1906) Patent for 'Gibbs’ Heliochronometer', page 4. 10787.

George J. Gibbs (1906) Patent for 'Gibbs’ Heliochronometer', reverse. 10787.

George J. Gibbs (1906) Patent for 'Gibbs’ Heliochronometer', spec 1. 10787.

George J. Gibbs (1906) Patent for 'Gibbs’ Heliochronometer', spec 2. 10787.