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Brass dial head 40mm dia with steel screw head divided in 100 divisions, vertical scale 10-0-10 mm, Distance between legs 40 mm.
PHY-232.1	Screw pitch 1 mm
PHY-232.2	Screw pitch 0.5 mm

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Brass dial head 40 mm dia with steel screw, divided and marked in 100 divisions, vertical scale 10-0-10 mm, fitted on heavy brass disc, distance between pointed legs 40 mm
PHY-233.1	Screw pitch 1 mm
PHY-233.2	Screw pitch 0.5 mm

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Chromium plated frame and handle, all metallic.
	Dia, mm	FL, mm	Magnification
PHY-234.1	40	100	x3.5
PHY-234.2	50	120	x3
PHY-234.3	50	150	x2.5
PHY-234.4	60	150	x2.5
PHY-234.5	75	150	x2.5
PHY-234.6	75	200	x2.25
PHY-234.7	100	150	x2.5
PHY-234.8	100	200	x2.25

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A biconvex lens 3X magnification mounted on a black plastic/bakalite handle.
	Dia, mm	FL, mm	Magnification
PHY-235.1	50	100	x3.5
PHY-235.2	60	150	x2.5
PHY-235.3	75	160	x3 .0
PHY-235.4	75	200	x2.25
PHY-235.5	100	150	x2.5
PHY-235.6	100	200	x2.25

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Fitted in plastic frame, with handle, dia 75 mm.

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Pocket type, double lens in plastic mount, metal case, lens dia 19 mm, magnification x 8.

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Metallic frame with adjustable screw top, dia 38 mm
	Magnification
PHY-238.1	x4
PHY-238.2	x6
PHY-238.3	x10

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Without bubbles made from sheet glass. All sides polished.
PHY-239.1	75 x 50 x 18 mm
PHY-239.2	115 x 60 x 18 mm

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Made from moulded glass all sides polished.
PHY-240.1	75 x 50 x 18 mm
PHY-240.2	100 x 60 x 25 mm

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Made of acrylic, rectangular, clear, all sides polished.
PHY-241.1	100 X 45 X18 mm
PHY-241.2	115 X 65 X 20 mm

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16 mm thickness, 90 mm dia.

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16 mm thickness, 90 mm dia.

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Made from moulded glass, equilateral. Each angle of 60°
	Length x Face
PHY-245.1	25 x 25 mm
PHY-245.2	38 x38 mm
PHY-245.3	50 x 50 mm

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Made from moulded glass, polished, right angle 90° x 46°x 46°.
	Hypoteneuse x Length
PHY-246.1	35 x 25 mm
PHY-246.2	50 x 38 mm
PHY-246.3	70 x 50 mm