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This machine is a Vintage Esterline Angus \"RectiGraph\" Analog Strip Chart Recorder.
Manufacturer: Esterline Angus Instrument Co., Indianapolis, Indiana.
Mechanism: Features their signature RectiGraph rectilinear movement, which translates an arc-shaped galvanometer signal into a straight, linear plot line on grid paper.
Front Controls & Inputs: Features dual-range speed adjustment knobs (MIN / HR), a signal scale, front panel BNC connectors, and heavy binding posts.
Fascinating Detail / Provenance: The grid paper roll inside has hand-written lab notations directly on the chart line reading:
\"< Start of production try eyes closed\"
This handwritten note suggests the unit was previously used in a university psychology, neurology, or physiological lab (such as recording EEG alpha waves during \"eyes closed\" tests).The Vintage Esterline Angus RECTIGRAPH Analog Strip Chart Recorder is a classic data logger used in labs for accurate data acquisition and logging. This analog strip chart recorder, with its model name Esterline Angus RECTIGRAPH, provides a reliable and efficient way to record data in a stripe shape on a chart. Ideal for businesses and industrial settings, this recorder allows for precise measurements and inspections, making it a valuable tool for analyzing and documenting data in a lab setting.
Up for sale is a vintage Esterline Angus \"RectiGraph\" Analog Strip Chart Recorder.
Product Features:
Brand: Esterline Angus Instrument Co.
Model: RectiGraph Series
Mechanism: Rectilinear pen movement for accurate grid line logging.
Front Panel: Dual speed selector knobs (MIN / HR), BNC input terminals, and heavy binding posts.
Enclosure: Industrial metal casing with top carrying handle.
Bonus Detail: Includes the installed chart paper roll, complete with vintage handwritten lab notes along the plotted timeline.
Condition & Functional Notes:
Shows pre-owned cosmetic wear, dust, and surface age from long-term storage.
Untested electronically. Sold strictly AS-IS for parts, repair, restoration, or vintage laboratory display.
Please review all high-resolution photos for full visual details prior to purchasing.
Strictly Enforced Terms of Sale (Final Sale Clause)
TERMS OF SALE & FINAL SALE POLICY:
AS-IS / FINAL SALE: This item is sold strictly AS-IS, WHERE-IS, and AS SHOWN.
NO RETURNS: Due to the vintage nature and weight of this instrument, all sales are final. No returns, refunds, or exchanges will be accepted once shipped.
BUYER ACKNOWLEDGMENT: By purchasing or submitting an offer, the buyer confirms they have inspected all photos, read the listing description, and agree to these final sale terms.
