A Siren, alarm, made by Helmholtz, Siren, double siren by Hermann Ludwig Ferdinand von Helmholtz, 1881, digitally restored reproduction of a 19th century original, exact date unknown
px | px | dpi | = | cm | x | cm | = | MB |
Details
Creative#:
TPG33500976
Source:
達志影像
Authorization Type:
RF
Release Information:
須由TPG 完整授權
Model Release:
No
Property Release:
No
Right to Privacy:
No
Same folder images:
19th-century19thcentury1900saccuratealarmsalarmcopydatesdatedeserteddigitallydigitalemptyexactillustrationsillustrationlaborlabourmaggotsmaggotnineteenthcenturynobodynooneNoPeopleprecisereconstructionrefurbishmentreplicationreplicareproductionrestorationsrestorationworkrestorationrestoredsirenssirenuninhabitedworkingworkWork
1900s19th19th-centuryNoPeopleWorkaccuratealarmalarmscenturycenturycopydatedatesdeserteddigitaldigitallyemptyexactillustrationillustrationslaborlabourmaggotmaggotsnineteenthnonobodyoneprecisereconstructionrefurbishmentreplicareplicationreproductionrestorationrestorationrestorationsrestoredsirensirensuninhabitedworkworkworking