2 matching record(s)
PER Mead, H. P.
"The Admiralty Telegraphs and Semaphores"
in The Mariner's Mirror, vol. XXIV no. 2, {...}, p. 184.
[Unknown]
[n.d.]
PER Mead, H. P.
"The Story of the Semaphore"
in The Mariner's Mirror, vol. XIX no. 3, p. 327; vol. XX no. 1, p. 93; "III. Semaphore Machines", vol. XX no. 2, p. 208; "IV. Popham and Pasley", vol. XX no. 3, p. 349; "V. Development in the Royal Navy and Other Services", vol. XXI no. 1, p. 33. {...?dates}
[Unknown]
[n.d.]