Faber Castell 67/87 Rietz

variant 1:

front (click for larger image, 54k)

back (click for larger image, 27k)

variant 2:

front (click for larger image, 54k)

back (click for larger image, 26k)

	variant 1	variant 2
type:	Rietz
scales:  front:  top     upper frame     slide     lower frame   back:  slide	cm       sin, sin/tg, tg	cm K, A B, CI, C D, L S, ST, T
size:  length   width   weight	153 mm 33 mm 21 g	158 mm 33 mm 23 g
material:  frame & slide   runner	white plastic clear plastic (single sided)
production:  years   country	Germany	Germany