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Boosted by jsonstein@masto.deoan.org ("Jeff Sonstein"):
archeaids@mastodon.online ("James Green") wrote:
My retired underwater archaeologist wants to sell his old land magnetometer & Trimble survey instrument. The land mag, one of the 1st, dates to ca. 1975. No data collection. No GPS. We had to walk transects & stop every 3 m to write down the reading. In the office we then plotted & contoured them.
The Trimble instrument is ca. late 1980s. I told him to set a price & I would put the word out, but those are so old that only an archaeologist wanting to play with ancient technology would buy them.