Brief description:
spring scales for weighing letters [includes cap], late 19 cen [?]
spring scales for weighing letters [includes cap], late 19 cen [?]
Classifications:
technology / measures / society / communication
technology / measures / society / communication
Identifications:
spring scales
spring scales
Measurements:
height 10cm
height 10cm
Material:
tin or aluminium
tin or aluminium
