1592954103000 1312632483000 term-88330 1616541443131 1312632587000 1616290362714 adlib fitz-online adlib-term-88330 b9983dff-fe0a-3953-8fbe-ba097b174289 2 1 scope note Instruments that record the duration of sunshine and provide qualitative measurements of the amount of sunshine by the action of the sun's rays on blueprint paper. STEIN reference term-87877 adlib-term-87877 21919ea2-52ba-3c72-a902-7a6dcf68ce15 heliograph V.TN.AFU.ARI.ARI.AXC.AFU 1 code V.TN.AFU.ARI.ARI.AXC.AFU 1 heliographs reference term-88329 adlib-term-88329 4ef0185b-24eb-3993-9e34-bc83feaf4146 sunshine recorders heliographs term