Genre:

Regular Feature, Editorial Reply, Instructions

Subjects:

Ornithology, Representation | Mathematics, Time, Measurement | Light, Textbooks | Pneumatics, Instruments, Measurement, Sound, Mathematics, Physical Geography | Statistics, Physical Geography | Astronomy, Archaeology | Horticulture, Heat, Instruments, Measurement | Chemistry, Domestic Economy, Horticulture | Entomology, Textbooks | Meteorology, Instruments | Entomology, Animal Behaviour, Language | Pneumatics, Amusement, Instruments | Telegraphy

People mentioned:

Christoph Clavius

Publications cited:

Rood 1879 , Chevreul 1857 , Packard 1876 Field Land and Water

See also:

BP1/2/67/5