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Set of Johansson gauge blocks, c 1900.

Set of Johansson gauge blocks, c 1900.

1896-1918
Parts accessories or items used with the toolroom microscope but that may not belong to a standard set. These consist of a 75 mm gauge block, a circular disc examination table, a 25 mm diam brass disc, a locking ring of 30 mm diameter, a castelated locking ring of 30 mm diameter, two small clamping plates four cheese headed slotted bolts and two smaller chese head slotted bolts.

Parts accessories or items used with the toolroom microscope

1944
Parts accessories or items used with the toolroom microscope but that may not belong to a standard set. These consist of a 75 mm gauge block, a circular disc examination table, a 25 mm diam brass disc, a locking ring of 30 mm diameter, a castelated locking ring of 30 mm diameter, two small clamping plates four cheese headed slotted bolts and two smaller chese head slotted bolts.

Parts accessories or items used with the toolroom microscope

1944
Parts accessories or items used with the toolroom microscope but that may not belong to a standard set. These consist of a 75 mm gauge block, a circular disc examination table, a 25 mm diam brass disc, a locking ring of 30 mm diameter, a castelated locking ring of 30 mm diameter, two small clamping plates four cheese headed slotted bolts and two smaller chese head slotted bolts.

Parts accessories or items used with the toolroom microscope

1944
Parts accessories or items used with the toolroom microscope but that may not belong to a standard set. These consist of a 75 mm gauge block, a circular disc examination table, a 25 mm diam brass disc, a locking ring of 30 mm diameter, a castelated locking ring of 30 mm diameter, two small clamping plates four cheese headed slotted bolts and two smaller chese head slotted bolts.

Parts accessories or items used with the toolroom microscope

1944