<div class="description">
<p>Figure 1. Model DU Spectrophotometer - Exploded View from <i>Beckman Instruments Instruction Manual /</i>
The Beckman Model DU Spectrophotometer and Accessories<i></i>
Beckman Division, Beckman Instruments, Inc. Fullerton, CA, [1954]. page 3.
Back cover illustration states March, 1954.
No copyright statement.
</p>
No copyright renewals.</div>
<div class="fn value">
Unknown<span style="display: none;">Unknown </span></div>
1954<div style="display: none;">date QS:P571,+1954-00-00T00:00:00Z/9</div>
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