Warren-Knight Model 25C Survey Transit Case/Tripod

Updated September 23, 2026

This auction ended on September 26, 2026. See upcoming auctions from Donley Auctions.
Lot number1010
Estimate$400 - $10,000
Opening bid$180
AuctionInventions and Technology Auction
DateSeptember 26, 2026 at 9:00 AM CDT
Auction houseDonley Auctions
LocationUnion, Illinois

This "Sterling" Model 25-C surveying transit was manufactured by the Warren-Knight Co. of Philadelphia on August 8, ...

Warren-Knight Model 25C Survey Transit Case/TripodWarren-Knight Model 25C Survey Transit Case/TripodWarren-Knight Model 25C Survey Transit Case/TripodWarren-Knight Model 25C Survey Transit Case/TripodWarren-Knight Model 25C Survey Transit Case/TripodWarren-Knight Model 25C Survey Transit Case/Tripod

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