Art 1661 Pump compass
Year: 1972
Description
Art 1661 Pump compass RP 61
(later article 531 141)
with lead insert.
Length of compass: 120mm,
for circles of up to 15 mm dia.
insert socker: 3.5mm dia
High gloss chrome
In transparent case with red inside.
Compasses with red inside of box are one of the earliest versions from early 1970s.
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