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- Polyscribe Model 22770 Polygraph Machine and Accessories Kit, 1974-1977 - Polygraphs are more popularly known as "lie detector" machines. They measure a person's pulse, breathing rate, perspiration, and blood pressure. Polygraphs convert this data into electronic signals; inking arms output this information onto paper charts. Trained examiners interpret the results, to determine guilt or innocence. The polygraph has been called out as unethical and legally inadmissible in some cases.
- 1974-1977
- Collections - Artifact
Polyscribe Model 22770 Polygraph Machine and Accessories Kit, 1974-1977
Polygraphs are more popularly known as "lie detector" machines. They measure a person's pulse, breathing rate, perspiration, and blood pressure. Polygraphs convert this data into electronic signals; inking arms output this information onto paper charts. Trained examiners interpret the results, to determine guilt or innocence. The polygraph has been called out as unethical and legally inadmissible in some cases.
- Stoelting Company Operating Manual for the Polyscribe Model 22770, circa 1976 - Polygraphs are more popularly known as "lie detector" machines. They measure a person's pulse, breathing rate, perspiration, and blood pressure. Polygraphs convert this data into electronic signals; inking arms output this information onto paper charts. Trained examiners interpret the results, to determine guilt or innocence. The polygraph has been called out as unethical and legally inadmissible in some cases.
- circa 1976
- Collections - Artifact
Stoelting Company Operating Manual for the Polyscribe Model 22770, circa 1976
Polygraphs are more popularly known as "lie detector" machines. They measure a person's pulse, breathing rate, perspiration, and blood pressure. Polygraphs convert this data into electronic signals; inking arms output this information onto paper charts. Trained examiners interpret the results, to determine guilt or innocence. The polygraph has been called out as unethical and legally inadmissible in some cases.
- Stoelting Company Polygraph Catalog, September 1977 - Polygraphs are more popularly known as "lie detector" machines. They measure a person's pulse, breathing rate, perspiration, and blood pressure. Polygraphs convert this data into electronic signals; inking arms output this information onto paper charts. Trained examiners interpret the results, to determine guilt or innocence. The polygraph has been called out as unethical and legally inadmissible in some cases.
- September 01, 1977
- Collections - Artifact
Stoelting Company Polygraph Catalog, September 1977
Polygraphs are more popularly known as "lie detector" machines. They measure a person's pulse, breathing rate, perspiration, and blood pressure. Polygraphs convert this data into electronic signals; inking arms output this information onto paper charts. Trained examiners interpret the results, to determine guilt or innocence. The polygraph has been called out as unethical and legally inadmissible in some cases.