Microscopic views of nettle and wild oat Product:Canvas A chronometer is a portable

A chronometer is a portable watch or clock capable of high-precision timekeeping

Monument by Thomas Banks

the child in the dentist's chair

near Holborn Bridge'

1956 and in 1957

Microscopic views of nettle and wild oat Product:Canvas A chronometer is a portableIllustrations showing microscopic views of: the surface of a nettle plant (Fig. 1); the beard of a wild oat, in two parts (Fig. 2); a transverse section of the beard of a wild oat (Fig. 3); a hygrometer using the beard of a wild oat (Fig. 4). Schem. XV from Micrographia: or some physiological descriptions of minute bodies made by magnifying glasses with observations and Inquiries thereupon, by Robert Hooke (London, 1665). Original: copperplate