In a message dated 6/12/00 10:18:52 PM Eastern Daylight Time, mlamb1@.......... writes: << Actually; for anyone interested...Forcefield/Wondermagnet does have afew R45 magnets left (1/4" diameter by 1" long, with the poles on each half of the rod diameter,lengthwise), item #16. This is the same magnet I use in the diamagnetic seismometer/aka, "pulse magnetometer".....ha. See: http://www.wondermagnet.com/dev/magnets.html >> ------------------------------------------------------------------------------ ----- Hi Meredith, I used a row of Wondermagnet's # 13, 1/4 by 1/2"long Neodymium magnets to build a magnetometer. They make a very nice strong compass needle but I heard somewhere they are more temperature sensitive than Alnico magnets we used to use. Can anybody shed any light on this? Regards, Cap __________________________________________________________ Public Seismic Network Mailing List (PSN-L)
Larry Cochrane <cochrane@..............>