Prominences represented in their natural colors, as seen through a large telescope when the slit of the spectroscope was open wide and directed on to the red C-line. These prominences are characteristic of the an…

This plate illustrates four spectra from solar phenomena.
Spectrum 1 is Solar Spectrum and Spectrum of the Prominences, during a total Eclipse.
Spectrum 2 is Spectrum of the Corona. Observed by Charles Young…

This plate contains two prints from photographs of a solar eclipse viewed in Burlington, Iowa on August 7, 1869.
"The photographic plates, which were exposed for the brief space of from five to sixteen seconds, give…

An illustration of a solar eclipse during the last 2 minutes, 25 seconds, therefore just before the reappearance of the sun's rays. The accompanying text states: ""Scarcely had the last ray of sunlight disappeared,"…

Prints from photographs taken by Colonel James Francis Tennant (1829-1915). The upper picture shows the eclipse at the moment of totality, and the lower one immediately before it's cessation. Observed from Guntoor,…

A: White cardboard box with blue product label adhered to top of box. Box opens to reveal styrofoam tray to hold implant/prosthesis. Product information sheet included.

B: Single silicone rubber breast…

Here Sschellen is illustrating and explaining the phenomenon of sunspots. The accompanying text states: "In Fig. 106 the drawings marked I represent the varying phases through which a spot surrounded by a penumbra…

Whimsical illustration of mice in a laboratory with glassware, apparatus, and a Bunsen burner. Beatrix Potter was a niece of the author, Henry Roscoe, and created this illustration as a gift. The illustration is based…

Photographic portrait of Robert W. Bunsen, Gustav Kirchhoff, and Henry E. Roscoe. In the book Roscoe explains that the photograph was taken during a visit of Bunsen and Kirchhoff to Manchester while Roscoe was chair of…

A photographic portrait of Henry Enfield Roscoe writing at a desk at his home, Woodcote Lodge in 1906. The photograph was taken by a photographer from Elliot & Fry studio and printed by Emery Walker.
A photomechanical…

Periodic Table of the Elements on the front, together with Table of Chemical Elements on the reverse. An up-to-date listing as of 1947.

3-D Periodic chart designed to be cut out and folded.

Depiction of the periodic table with an emphasis on the elements which receive the most attention in general chemistry textbooks.

Art reproduced from image depicting Mendeleev's Periodic System on on the wall of the Mendeleev Institute of Weights and Measures.

Double-sided reference sheet depicting Table of Periodic Properties of the Elements on the front with a Periodic Table of the Elements on the reverse.

A 32 column version of the step-pyramid form of the periodic table designed by William Jensen for use in an advanced level inorganic chemistry course.

A Periodic Chart depicting the relative abundance of the elements.

An amusing rendering of the Periodic table noting the uses for some of the most well-known elements.

A whimsical rendering of the Periodic Table with an emphasis on the elements which are used as primary, secondary or micro nutrients for plants.

Green wooden case with textured green paper surface; label on front of case features a young boy looking through a microscope and an enlarged image of a dog flea; metal latch opens double-sided interior. 16 glass test…

Wooden grey-blue case that opens on a hinge. Inside, the left side of the case contains: a sealed glass bottle of mounting cement, a sealed glass bottle of thinner, small cardboard boxes labeled "Microcraft Microscopy…

Wooden box painted red with white speckled paint design; case opens on a hinge to reveal nine (9) test tubes on left containing: sodium iodide solution, bleaching powder, sodium salicylate, cobalt chloride, ferric…