Inscription: Handwritten in pencil on recto: 'Tehaphin Pellincula[?]'. Inscribed in pencil on verso, probably by Ostroff: '01909'. Engraving of a fern-like plant.
Inscription: Inscribed in pencil on verso, possibly by Ostroff: '01917'. Engraving of a botanical specimen, showing various aspects of the bud, leaf and stem.
Mathematical drawing in pencil and ink, the central scale line is in pencil with curves drawn either side in ink with faint intersection lines drawn in pencil. The paper had been folded in half.
Inscription: Inscribed by Ostroff with: '23377'. Pencil drawing of a spectrum with a wrapper in Sir David Brewster's handwriting and inscribed with 'Place E6/ Place [?]/ In the Spectrum'. Originally mounted on a piece of card inscribed with '1832-DB'.
Inscription: Inscribed in pencil; 'Talbot WHB'. Genre: Urban Topographical Photography A hand-drawn map of Italy in ink with the various regions coloured in yellow, red, green and blue.