Title

A Siren, alarm

Caption

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

Date

Dec 31, 2021

Credit line

Photo12/imageBROKER/Sunny Celeste

Reference

BRK22D83_157

Model release

NA

Property release

NA

License type

Royalty free

Available size

28,8Mb (9,6Mb) / 12,5in x 8,9in / 3744 x 2684 (300dpi)

Keywords

1900s 19th century 19th-century No People Work accurate alarm alarms copy date dates deserted digital digitally empty exact illustration illustrations maggot maggots nineteenth century no one nobody precise replica replication reproduction restored siren sirens uninhabited working labor labour reconstruction refurbishment restoration restoration work restorations work