I'm lucky. I have a Taylor & Hobson WW1 bubble type Motar gun inclinometer, 0 - 90 deg elev. with 1 deg. increments and a sliding bubble in minutes. Bought in from Direct Disposal in Brisbane in 1980 for $20. It's made of bass and very accurate. Hare and Forbes in Brissy have digital inclo's and are very good.
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