Date   
Eureka spring By Philip Green · #1039 ·
Eureka spring By Philip Green · #1036 ·
Eureka spring By Philip Green · #1029 ·
Eureka spring By Philip Green · #1025 ·
Bulle suspension By Philip Green · #802 ·
Bulle suspension By Philip Green · #728 ·
Bulle pendulum By Philip Green · #719 ·
Bulle pendulum By Philip Green · #713 ·
Bulle pendulum By Philip Green · #709 ·
Bulle pendulum By Philip Green · #703 ·
Synchronome papers at IET Archives By Philip Green · #693 ·
Lifting a pendulum By Philip Green · #265 · Edited
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