1. Please be sure your engraving order is visible in your cart. 2. You will receive an electronic proof via email. Approval is required before engraving will start. One proof is included in the engraving charge; changes to your order may incur additional charges. Special requests: please email email@example.com. Additional fees may apply.
This replacement paper for the 410-C barograph records the atmospheric pressure in inches. Duration for each chart is 7 days. Pack includes a 2-year supply charts.