Rough sketch of James Nasmyths' apparatus by which most perfect sound speculae may be cast with absolute certainty 1879
Calotype print by Nasmyth of lunar crater models and a refracting telescope outside his home in England, 1858 1858
Two pieces of Wattle and Daub panel, originally set in a hard wood frame, 14th century, from " Salmans", Penshurst, Kent Sample of wattle and daub, from Penshurst, Kent, 14th century 1301-1400
One of six calotype prints, showing a 13-inch reflecting telescope with a speculum mirror [see 1897-13] made by James Nasmyth in an open framework tube and an altazimuth mounting. Taken by him at the front of his large house, 'Hammerhurst' near Penshurst in Kent and undated 1858-1865. Calotype print by Nasmyth of his portable 13-inch reflecting telescope on the lawn in the grounds of his home, 1858-1865 1858-1865