Surveying Instrument Collection
Maker |
Raytheon Marine Company |
Model |
DE 719B Precision Survey Fathometer Depth Recorder |
Serial Number |
Unit 7430, s/n 7191 |
Dimensions |
457 x 319 x 230 mm |
Image |
|
Description |
Raytheon echo sounder with transducer, cables and recording unit. Only the latter is shown above. Weight: 38 pounds. Operates on 12 V dc . Measuring range: 0.6 to 123 m (2-410 feet) Transducer J304(?) Type 7245 (200 kHz) Accuracy: ± (1 inch + 0.5% of depth) Sampling: 534 soundings per minute Chart paper: 7 inch by 60 feet. |
History & comments |
ca 1973, ex Maritime Services Board of NSW (13/126) |
Conservation |
no case. |
Condition |
some corrosion |
Remarks |
Includes instrument manual 7430-3301P1 (1/73) |
Dates |
Catalogued by JMR in July 2006. Photo by JMR. |