1592953985000 1312632483000 term-81627 1616541487637 1312632579000 1616290431091 adlib fitz-online adlib-term-81627 ca5db023-f64b-3b28-8a39-be21ebd9156e 2 1 scope note Large photograph viewers having lamps as a source of light and utilizing photographs on thin paper specially mounted on curved frames to achieve a three-dimensional effect. HCOP reference term-79550 adlib-term-79550 49fcebf3-63e9-3712-947f-5c56f6f73f3e megalethoscope V.TH.AFU.AXC.DZW.BIQ.AXC.AFU 1 code V.TH.AFU.AXC.DZW.BIQ.AXC.AFU 1 megalethoscopes reference term-81628 adlib-term-81628 8f3dbc11-cc1b-38f3-b67f-e0052cddc625 <photograph viewing equipment> megalethoscopes term