129 records were found. Viewing Records 126 to 129
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Wheatstone Bridge Wolff, O. BIRRC-P0457 | Wheatstone Wave Machine John Newman or Elliott Bros. BIRRC-P0756 | Wheel Coherer Muirhead & Co. Ltd. BIRRC-P0266 |
X-Y Recorder Hewlett Packard GMBH BIRRC-P0329 |