20th-century educational steam engine model, 1950s
1600,00 zł
20th-century educational steam engine model, 1950s, vintage model…
Educational model of a Wankel rotary engine, Europe, 1960s/70s
1200,00 zł
Educational model of a Wankel rotary engine, Europe, 1960s/70s, vintage metal decor…
Laboratory apparatus, Zakłady Pomocy Naukowych, Poland, 1960s
550,00 zł
Laboratory apparatus, Zakłady Pomocy Naukowych, Poland, 1960s, PRL-era educational aid…
