Lot 286
An early 20th Century magic lantern, converted to electricity, contained in an aluminium and painted metal case with brass lens housing, the cover marked RD No. 230577 6in, raised on a wooden adjustable stand 39cm h x 51cm w x 19.5cm d, together with a Dallmeyer 12" F/7-7 Dallon Tele-Anastigmat 200766 lens with Air Ministry marking to the interior, complete with wooden carrying case 42.5cm h x 59cm w x 22cm d. Most likely used by Sir Wallis for his lecturing.  £80-120