Waddington's

Scientific Instruments and Clocks Online Auction

November 15, 2012

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LOT 88

Lot 88

Cased Electomagnetic Graph Recorder, c.1880

Cased Electomagnetic Graph Recorder, c.1880
Lot 88 Details
Cased Electomagnetic Graph Recorder, c.1880

possibly to measure frequency and duration of lightning strikes, with double barrel Seth Thomas movement turning graph barrel and threaded pawl to nib activated by solenoid magnetic impulse, under glazed oak cover on enamelled iron base with gilt decoration
9" x 16" x 12.25" — 22.9 x 40.6 x 31.1 cm.

Estimate $200-$300

Realised: $960
Price Includes Buyer's Premium ?

CONDITION DETAILS

For condition information please contact the specialist.

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LOT 88
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About Condition Ratings

  • 5 Stars: Excellent - No discernable damage, flaws or imperfections
  • 4 Stars: Very Good - Minor flaws or imperfections visible only under close inspection using specialised instruments or black light
  • 3 Stars: Good - Minor flaws visible upon inspection under standard lighting
  • 2 Stars: Fair - Exhibits flaws or damage that may draw the eye under standard lighting
  • 1 Star: Poor - Flaws or damage immediately apparent under standard lighting (examples: missing components, rips, broken glass, damaged surfaces, etc.)

Note: Condition ratings and condition details are the subjective opinions of our specialists and should be used as a guide only. Waddington’s uses due care when preparing condition details, however, our staff are not professional restorers or conservators. Condition details and reports are not warranties and each lot is sold “as is” in accordance with the buyer’s terms and conditions of sale. In all cases the prospective purchaser is responsible for inspecting the property themselves prior to placing a bid.