The new Leica RM2135 features advanced technology, extraordinary safety standards along with an ergonomic design. The instrument presents technical The Leica RM 2145 is a semi-motorized rotary micro- tome. The specimen feed system with zero-backlash and maintenance-free cross roller guides and the step. Leica RM2135 Manual Rotary Microtome. 6 products. Filter. Showing 1 - 6 of 6 products. Display: 24 per page. Display. 24 per page 36 per page 48 per page.Always keep this manual near the instrument! Read carefully prior to operating the instrument! Leica RM 2135. Rotary Microtome. Leica. MICROSYSTEMS.