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KF5JRV > TECH 18.12.16 17:25l 8 Lines 209 Bytes #999 (0) @ WW
BID : 7169_KF5JRV
Read: GUEST
Subj: First Description of a Compass
Path: IW8PGT<IR2UBX<DB0RES<DB0OVN<DB0GOS<ON0AR<OZ5BBS<CX2SA<N0KFQ<KF5JRV
Sent: 161218/1515Z 7169@KF5JRV.#NWAR.AR.USA.NA BPQ6.0.13
First Detailed Description of a Compass
Petrus Peregrinus de Marincourt, a French Crusader, describes a
floating compass and a compass with a pivot point in 1269 AD.
73 Scott KF5JRV
KF5JRV.#NWAR.AR.USA.NA
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