INDUCTION COIL, DU BOIS-REYMOND TYPE. SIGNED: FR. RUNNE – ROHRBACH – HEIDELBERG MAHOGANY, LONG WOODEN BASE HINGED IN MIDDLE, WITH CHANNEL FOR SLIDING SECONDARY COIL 126 CM, METAL SCALE ON BASE, MM DIVISIONS; COAXIAL PRIMARY COIL FIXED TO WOODEN SUPPORT AT ONE END, WITH ADJUSTABLE ELECTROMAGNETIC CONTACT BREAKER AND SIX BRASS TERMINALS; SECONDARY COIL, WITH WITH BRASS TERMINALS, MOUNTED ON SLIDDING WOODEN BOBBIN.
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Van Leest Antiques
Van Leest Antiques, based in Utrecht in the Netherlands, specialises in antique scientific and medical instruments. Their collection covers mainly scientific and medical antique instruments: barometers, globes and planataria, nautical instruments, anatomical models, and pharmacy items. Toon Van Leest travels regularly in Europe and visits trade fairs, auctions, and antique dealers to collect stock and to find pieces to fulfil his clients' unusual requests.
As well as being an avid antique collector and dealer, Toon Van Leest is also a dentist. He believes that antiques are a stable investment, not reliant on trends or fashion, and have truly lasting value. Above all, he says, antiques are timeless and never lose their beauty.