Page 78, Mechanical stage Nr. 98 ==> Mechanical stage No. 98

Page 85, 42 und 64 mm ==> 42 and 64 mm

Page 90, removed duplicate 'Transport 250.--'

Page 91, also wheter it is direct ==> also whether it is direct

Page 91, a continual, flow ==> a continual flow

Page 97, 136. Lenght of cutting edge ==> 136. Length of cutting edge

Page 98, with melled and graduated ==> with milled and graduated

Page 99, forms port of an ocular ==> forms part of an ocular

Page 99, any disired position ==> any desired position

Page 99, The gange measures 0,01 ==> The gauge measures 0,01