11th July 1907, Page 22
11th July 1907
Page 22
Page 22, 11th July 1907
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Patents Completed.
VARIABLE SPEED GEAR.—Lambert. —No. 4,826, dated 27th February, 1907.-On the driven shaft jx) is a looselymounted worm wheel (a) which can be • coupled or uncoupled with the......