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Start Over You searched for: Date 1955 to 1959 Remove constraint Date: <span class="from" data-blrl-begin="1955">1955</span> to <span class="to" data-blrl-end="1959">1959</span>-
Zenith Royal Hearing Aid
- 1950s
Gold colored plastic box with a black circular grate and gold steel clips on the front; on the left top corner is a black plastic tone dial and on the right top corner is the volume dial; on the right side is a black…
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A nurse using a Beckman D-2 Oxygen Meter
- Circa 1959
A nurse uses a Beckman Oxygen Meter to monitor the oxygen flowing through an isolette containing a baby. Monitoring oxygen flow greatly reduced the rate of blindness (retrolental fibroplasia) among premature infants in…
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Beckman Glucose Analyzer warranty
- 1959
The text of the warranty is apparently a standard statement drafted before the development of the instrument in question.
The Glucose Analyzer was developed by James Sternberg in 1969 and was one of several very…